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-rw-r--r--web/atom-feed/default.nix153
-rw-r--r--web/atward/.gitignore3
-rw-r--r--web/atward/Cargo.lock668
-rw-r--r--web/atward/Cargo.toml9
-rw-r--r--web/atward/build.rs55
-rw-r--r--web/atward/default.nix8
-rw-r--r--web/atward/indexHtml/default.nix99
-rw-r--r--web/atward/src/main.rs200
-rw-r--r--web/atward/src/opensearch.xml8
-rw-r--r--web/atward/src/tests.rs187
-rw-r--r--web/blog/default.nix63
-rw-r--r--web/blog/fragments.nix96
-rw-r--r--web/bubblegum/OWNERS3
-rw-r--r--web/bubblegum/README.md68
-rw-r--r--web/bubblegum/default.nix267
-rw-r--r--web/bubblegum/examples/blog.nix143
-rw-r--r--web/bubblegum/examples/default.nix82
-rw-r--r--web/bubblegum/examples/derivation-svg.nix13
-rw-r--r--web/bubblegum/examples/hello.nix94
-rw-r--r--web/bubblegum/examples/posts/2021-04-01-hello.html3
-rw-r--r--web/bubblegum/examples/posts/2021-04-02-a second post.html7
-rw-r--r--web/converse/.gitignore3
-rw-r--r--web/converse/Cargo.lock3069
-rw-r--r--web/converse/Cargo.toml37
-rw-r--r--web/converse/LICENSE674
-rw-r--r--web/converse/README.md14
-rw-r--r--web/converse/build.rs5
-rw-r--r--web/converse/default.nix7
-rw-r--r--web/converse/envrc.example14
-rw-r--r--web/converse/migrations/.gitkeep0
-rw-r--r--web/converse/migrations/00000000000000_diesel_initial_setup/down.sql6
-rw-r--r--web/converse/migrations/00000000000000_diesel_initial_setup/up.sql36
-rw-r--r--web/converse/migrations/2018-04-08-133240_create_posts/down.sql2
-rw-r--r--web/converse/migrations/2018-04-08-133240_create_posts/up.sql13
-rw-r--r--web/converse/migrations/2018-04-08-161017_joinable_posts/down.sql1
-rw-r--r--web/converse/migrations/2018-04-08-161017_joinable_posts/up.sql1
-rw-r--r--web/converse/migrations/2018-04-08-172739_default_posted/down.sql2
-rw-r--r--web/converse/migrations/2018-04-08-172739_default_posted/up.sql2
-rw-r--r--web/converse/migrations/2018-04-08-182319_add_authors/down.sql5
-rw-r--r--web/converse/migrations/2018-04-08-182319_add_authors/up.sql10
-rw-r--r--web/converse/migrations/2018-04-14-140818_posts_only_in_posts/down.sql1
-rw-r--r--web/converse/migrations/2018-04-14-140818_posts_only_in_posts/up.sql6
-rw-r--r--web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/down.sql2
-rw-r--r--web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/up.sql21
-rw-r--r--web/converse/migrations/2018-04-14-170750_search-index/down.sql2
-rw-r--r--web/converse/migrations/2018-04-14-170750_search-index/up.sql21
-rw-r--r--web/converse/migrations/2018-05-01-141548_add-users/down.sql63
-rw-r--r--web/converse/migrations/2018-05-01-141548_add-users/up.sql83
-rw-r--r--web/converse/migrations/2018-05-01-183232_simplified-post-view/down.sql1
-rw-r--r--web/converse/migrations/2018-05-01-183232_simplified-post-view/up.sql11
-rw-r--r--web/converse/migrations/2018-05-25-160648_add_closed_column/down.sql1
-rw-r--r--web/converse/migrations/2018-05-25-160648_add_closed_column/up.sql1
-rw-r--r--web/converse/migrations/2018-05-25-161939_add_closed_to_index/down.sql30
-rw-r--r--web/converse/migrations/2018-05-25-161939_add_closed_to_index/up.sql35
-rw-r--r--web/converse/src/db.rs317
-rw-r--r--web/converse/src/errors.rs139
-rw-r--r--web/converse/src/handlers.rs391
-rw-r--r--web/converse/src/main.rs239
-rw-r--r--web/converse/src/models.rs127
-rw-r--r--web/converse/src/oidc.rs170
-rw-r--r--web/converse/src/render.rs245
-rw-r--r--web/converse/src/schema.rs83
-rw-r--r--web/converse/static/highlight.css99
-rw-r--r--web/converse/static/highlight.js2
-rw-r--r--web/converse/static/styles.css145
-rw-r--r--web/converse/templates/index.html80
-rw-r--r--web/converse/templates/post.html124
-rw-r--r--web/converse/templates/search.html67
-rw-r--r--web/converse/templates/thread.html111
-rw-r--r--web/converse/todo.org13
-rw-r--r--web/panettone/.envrc1
-rw-r--r--web/panettone/.gitignore1
-rw-r--r--web/panettone/OWNERS5
-rw-r--r--web/panettone/default.nix55
-rw-r--r--web/panettone/docker-compose.yml11
-rw-r--r--web/panettone/panettone.asd6
-rw-r--r--web/panettone/shell.nix15
-rw-r--r--web/panettone/src/.gitignore2
-rw-r--r--web/panettone/src/authentication.lisp115
-rw-r--r--web/panettone/src/css.lisp223
-rw-r--r--web/panettone/src/email.lisp48
-rw-r--r--web/panettone/src/inline-markdown.lisp127
-rw-r--r--web/panettone/src/irc.lisp35
-rw-r--r--web/panettone/src/model.lisp420
-rw-r--r--web/panettone/src/packages.lisp84
-rw-r--r--web/panettone/src/panettone.lisp691
-rw-r--r--web/panettone/src/util.lisp7
-rw-r--r--web/panettone/test/inline-markdown_test.lisp54
-rw-r--r--web/panettone/test/irc_test.lisp5
-rw-r--r--web/panettone/test/model_test.lisp13
-rw-r--r--web/panettone/test/package.lisp3
-rw-r--r--web/static/default.nix29
-rw-r--r--web/static/favicon.webpbin0 -> 18750 bytes
-rw-r--r--web/static/files/adisbladis_tazjin_tvix.webpbin0 -> 107066 bytes
-rw-r--r--web/static/files/flokli_tazjin_tvix.webpbin0 -> 73790 bytes
-rw-r--r--web/static/jetbrains-mono-bold-italic.woff2bin0 -> 53364 bytes
-rw-r--r--web/static/jetbrains-mono-bold.woff2bin0 -> 49892 bytes
-rw-r--r--web/static/jetbrains-mono-italic.woff2bin0 -> 50936 bytes
-rw-r--r--web/static/jetbrains-mono.woff2bin0 -> 48700 bytes
-rw-r--r--web/static/tvl.css183
-rw-r--r--web/todolist/default.nix116
-rw-r--r--web/todolist/extract-todos.jq30
-rw-r--r--web/tvl/blog/default.nix18
-rw-r--r--web/tvl/blog/rewriting-nix.md90
-rw-r--r--web/tvl/default.nix131
-rw-r--r--web/tvl/footer/default.nix21
-rw-r--r--web/tvl/logo/default.nix97
-rw-r--r--web/tvl/logo/logo-shapes.svg27
-rw-r--r--web/tvl/template/default.nix52
-rw-r--r--web/tvl/tvl.dot172
110 files changed, 11647 insertions, 0 deletions
diff --git a/web/atom-feed/default.nix b/web/atom-feed/default.nix
new file mode 100644
index 000000000000..fca69e20fad9
--- /dev/null
+++ b/web/atom-feed/default.nix
@@ -0,0 +1,153 @@
+# This file defines functions for generating an Atom feed.
+
+{ depot, lib, pkgs, ... }:
+
+with depot.nix.yants;
+
+let
+  inherit (builtins) foldl' map readFile replaceStrings sort;
+  inherit (lib) concatStrings concatStringsSep max removeSuffix;
+  inherit (pkgs) runCommandNoCC;
+
+  # 'link' describes a related link to a feed, or feed element.
+  #
+  # https://validator.w3.org/feed/docs/atom.html#link
+  link = struct "link" {
+    rel = string;
+    href = string;
+  };
+
+  # 'entry' describes a feed entry, for example a single post on a
+  # blog. Some optional fields have been omitted.
+  #
+  # https://validator.w3.org/feed/docs/atom.html#requiredEntryElements
+  entry = struct "entry" {
+    # Identifies the entry using a universally unique and permanent URI.
+    id = string;
+
+    # Contains a human readable title for the entry. This value should
+    # not be blank.
+    title = string;
+
+    # Content of the entry.
+    content = option string;
+
+    # Indicates the last time the entry was modified in a significant
+    # way (in seconds since epoch).
+    updated = int;
+
+    # Names authors of the entry. Recommended element.
+    authors = option (list string);
+
+    # Related web pages, such as the web location of a blog post.
+    links = option (list link);
+
+    # Conveys a short summary, abstract, or excerpt of the entry.
+    summary = option string;
+
+    # Contains the time of the initial creation or first availability
+    # of the entry.
+    published = option int;
+
+    # Conveys information about rights, e.g. copyrights, held in and
+    # over the entry.
+    rights = option string;
+  };
+
+  # 'feed' describes the metadata of the Atom feed itself.
+  #
+  # Some optional fields have been omitted.
+  #
+  # https://validator.w3.org/feed/docs/atom.html#requiredFeedElements
+  feed = struct "feed" {
+    # Identifies the feed using a universally unique and permanent URI.
+    id = string;
+
+    # Contains a human readable title for the feed.
+    title = string;
+
+    # Indicates the last time the feed was modified in a significant
+    # way (in seconds since epoch). Will be calculated based on most
+    # recently updated entry if unset.
+    updated = option int;
+
+    # Entries contained within the feed.
+    entries = list entry;
+
+    # Names authors of the feed. Recommended element.
+    authors = option (list string);
+
+    # Related web locations. Recommended element.
+    links = option (list link);
+
+    # Conveys information about rights, e.g. copyrights, held in and
+    # over the feed.
+    rights = option string;
+
+    # Contains a human-readable description or subtitle for the feed.
+    subtitle = option string;
+  };
+
+  # Feed generation functions:
+
+  renderEpoch = epoch: removeSuffix "\n" (readFile (runCommandNoCC "date-${toString epoch}" { } ''
+    date --date='@${toString epoch}' --utc --iso-8601='seconds' > $out
+  ''));
+
+  escape = replaceStrings [ "<" ">" "&" "'" ] [ "&lt;" "&gt;" "&amp;" "&#39;" ];
+
+  elem = name: content: ''<${name}>${escape content}</${name}>'';
+
+  renderLink = defun [ link string ] (l: ''
+    <link href="${escape l.href}" rel="${escape l.rel}" />
+  '');
+
+  # Technically the author element can also contain 'uri' and 'email'
+  # fields, but they are not used for the purpose of this feed and are
+  # omitted.
+  renderAuthor = author: ''<author><name>${escape author}</name></author>'';
+
+  renderEntry = defun [ entry string ] (e: ''
+    <entry>
+      ${elem "title" e.title}
+      ${elem "id" e.id}
+      ${elem "updated" (renderEpoch e.updated)}
+      ${if e ? published
+        then elem "published" (renderEpoch e.published)
+        else ""
+      }
+      ${if e ? content
+        then ''<content type="html">${escape e.content}</content>''
+        else ""
+      }
+      ${if e ? summary then elem "summary" e.summary else ""}
+      ${concatStrings (map renderAuthor (e.authors or []))}
+      ${if e ? subtitle then elem "subtitle" e.subtitle else ""}
+      ${if e ? rights then elem "rights" e.rights else ""}
+      ${concatStrings (map renderLink (e.links or []))}
+    </entry>
+  '');
+
+  mostRecentlyUpdated = defun [ (list entry) int ] (entries:
+    foldl' max 0 (map (e: e.updated) entries)
+  );
+
+  sortEntries = sort (a: b: a.published > b.published);
+
+  renderFeed = defun [ feed string ] (f: ''
+    <?xml version="1.0" encoding="utf-8"?>
+    <feed xmlns="http://www.w3.org/2005/Atom">
+      ${elem "id" f.id}
+      ${elem "title" f.title}
+      ${elem "updated" (renderEpoch (f.updated or (mostRecentlyUpdated f.entries)))}
+      ${concatStringsSep "\n" (map renderAuthor (f.authors or []))}
+      ${if f ? subtitle then elem "subtitle" f.subtitle else ""}
+      ${if f ? rights then elem "rights" f.rights else ""}
+      ${concatStrings (map renderLink (f.links or []))}
+      ${concatStrings (map renderEntry (sortEntries f.entries))}
+    </feed>
+  '');
+in
+{
+  inherit entry feed renderFeed renderEpoch;
+}
diff --git a/web/atward/.gitignore b/web/atward/.gitignore
new file mode 100644
index 000000000000..29e65519ba35
--- /dev/null
+++ b/web/atward/.gitignore
@@ -0,0 +1,3 @@
+result
+/target
+**/*.rs.bk
diff --git a/web/atward/Cargo.lock b/web/atward/Cargo.lock
new file mode 100644
index 000000000000..b18f55faa157
--- /dev/null
+++ b/web/atward/Cargo.lock
@@ -0,0 +1,668 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "adler32"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
+
+[[package]]
+name = "aho-corasick"
+version = "0.7.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
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+version = "2.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35ef4730490ad1c4eae5c4325b2a95f521d023e5c885853ff7aca0a6a1631db3"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "697ed7edc0f1711de49ce108c541623a0af97c6c60b2f6e2b65229847ac843c2"
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+ "alloc-no-stdlib",
+]
+
+[[package]]
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+checksum = "bbf56136a5198c7b01a49e3afcbef6cf84597273d298f54432926024107b0109"
+
+[[package]]
+name = "atward"
+version = "0.1.0"
+dependencies = [
+ "regex",
+ "rouille",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
+[[package]]
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+
+[[package]]
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+
+[[package]]
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+dependencies = [
+ "alloc-no-stdlib",
+ "alloc-stdlib",
+ "brotli-decompressor",
+]
+
+[[package]]
+name = "brotli-decompressor"
+version = "2.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59ad2d4653bf5ca36ae797b1f4bb4dbddb60ce49ca4aed8a2ce4829f60425b80"
+dependencies = [
+ "alloc-no-stdlib",
+ "alloc-stdlib",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "memchr",
+ "safemem",
+]
+
+[[package]]
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+
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+ "libc",
+ "num-integer",
+ "num-traits",
+ "winapi",
+]
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+
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+ "gzip-header",
+]
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+ "libc",
+]
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+ "buf_redux",
+ "httparse",
+ "log",
+ "mime",
+ "mime_guess",
+ "quick-error",
+ "rand",
+ "safemem",
+ "tempfile",
+ "twoway",
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+ "libc",
+ "rand_chacha",
+ "rand_core",
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+ "chrono",
+ "deflate",
+ "filetime",
+ "multipart",
+ "num_cpus",
+ "percent-encoding",
+ "rand",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "sha1",
+ "threadpool",
+ "time",
+ "tiny_http",
+ "url",
+]
+
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+ "serde",
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+ "sha1_smol",
+]
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+ "cfg-if",
+ "fastrand",
+ "libc",
+ "redox_syscall",
+ "remove_dir_all",
+ "winapi",
+]
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+ "log",
+ "url",
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+checksum = "59b11b2b5241ba34be09c3cc85a36e56e48f9888862e19cedf23336d35316ed1"
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+checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
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+ "tinyvec",
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+[[package]]
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+checksum = "a507c383b2d33b5fc35d1861e77e6b383d158b2da5e14fe51b83dfedf6fd578c"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "matches",
+ "percent-encoding",
+]
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+[[package]]
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+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
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+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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diff --git a/web/atward/Cargo.toml b/web/atward/Cargo.toml
new file mode 100644
index 000000000000..2ecd10f96f68
--- /dev/null
+++ b/web/atward/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "atward"
+version = "0.1.0"
+authors = ["Vincent Ambo <mail@tazj.in>"]
+edition = "2018"
+
+[dependencies]
+regex = "1.5"
+rouille = "3.5"
diff --git a/web/atward/build.rs b/web/atward/build.rs
new file mode 100644
index 000000000000..90a2f35cd1a9
--- /dev/null
+++ b/web/atward/build.rs
@@ -0,0 +1,55 @@
+//! Build script that can be used outside of Nix builds to inject the
+//! ATWARD_INDEX_HTML variable when building in development mode.
+//!
+//! Note that this script assumes that atward is in a checkout of the
+//! TVL depot.
+
+use std::process::Command;
+
+static ATWARD_INDEX_HTML: &str = "ATWARD_INDEX_HTML";
+static ERROR_MESSAGE: &str = r#"Failed to build index page.
+
+When building during development, atward expects to be in a checkout
+of the TVL depot. This is required to automatically build the index
+page that is needed at compile time.
+
+As atward can not automatically detect the location of the page,
+you must set the `ATWARD_INDEX_HTML` environment variable to the
+right path.
+
+The expected page is build using the files in //web/atward/indexHtml
+in the depot."#;
+
+fn main() {
+    // Do nothing if the variable is already set (e.g. via Nix)
+    if let Ok(_) = std::env::var(ATWARD_INDEX_HTML) {
+        return;
+    }
+
+    // Otherwise ask Nix to build it and inject the result.
+    let output = Command::new("nix-build")
+        .arg("-A")
+        .arg("web.atward.indexHtml")
+        // ... assuming atward is at //web/atward ...
+        .arg("../..")
+        .output()
+        .expect(ERROR_MESSAGE);
+
+    if !output.status.success() {
+        eprintln!(
+            "{}\nNix output: {}",
+            ERROR_MESSAGE,
+            String::from_utf8_lossy(&output.stderr)
+        );
+        return;
+    }
+
+    let out_path = String::from_utf8(output.stdout)
+        .expect("Nix returned invalid output after building index page");
+
+    // Return an instruction to Cargo that will set the environment
+    // variable during rustc calls.
+    //
+    // https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-envvarvalue
+    println!("cargo:rustc-env={}={}", ATWARD_INDEX_HTML, out_path.trim());
+}
diff --git a/web/atward/default.nix b/web/atward/default.nix
new file mode 100644
index 000000000000..f3ed04345c32
--- /dev/null
+++ b/web/atward/default.nix
@@ -0,0 +1,8 @@
+{ depot, ... }:
+
+depot.third_party.naersk.buildPackage {
+  src = ./.;
+  override = x: {
+    ATWARD_INDEX_HTML = depot.web.atward.indexHtml;
+  };
+}
diff --git a/web/atward/indexHtml/default.nix b/web/atward/indexHtml/default.nix
new file mode 100644
index 000000000000..3af808b89831
--- /dev/null
+++ b/web/atward/indexHtml/default.nix
@@ -0,0 +1,99 @@
+{ depot, ... }:
+
+depot.web.tvl.template {
+  title = "atward";
+  content = ''
+    atward
+    ======
+
+    ----------
+
+    **atward** is [TVL's](https://tvl.fyi/) search
+    service. It can be configured as a browser search engine for easy
+    access to TVL bugs, code reviews, code paths and more.
+
+    ### Setting up atward
+
+    To configure atward, add a search engine to your browser with the
+    following search string: `https://at.tvl.fyi/?q=%s`
+    Consider setting a shortcut, for example **t** or **tvl**.
+    You can now quickly access TVL resources by typing something
+    like <kbd>t b/42</kbd> in your URL bar to get to the bug with ID
+    42.
+
+
+    ### Supported queries
+
+    The following query types are supported in atward:
+
+    * <kbd>b/42</kbd> - access bugs with ID 42
+    * <kbd>cl/3087</kbd> - access changelist with ID 3087
+    * <kbd>//web/atward</kbd> - open the **//web/atward** path in TVLs monorepo
+    * <kbd>r/3002</kbd> - access revision 3002 in cgit
+
+    When given a short host name (e.g. <kbd>todo</kbd> or
+    <kbd>cl</kbd>), atward will redirect to the appropriate `tvl.fyi`
+    domain.
+
+    ### Configuration
+
+    Some behaviour of atward can be configured by adding query
+    parameters to the search string:
+
+    * <kbd>cs=true</kbd> - use Sourcegraph instead of cgit to view code
+
+
+    In some browsers (like Firefox) users can not edit query
+    parameters for search engines. As an alternative configuration can
+    be supplied via cookies with the same names as the configuration
+    parameters.
+
+    The form below can set this configuration:
+    <form class="cheddar-callout cheddar-todo">
+      <input type="checkbox"
+             id="cs-setting"
+             name="cs-setting"
+             onchange="saveSetting(this, 'cs');">
+      <label for="cs-setting">Use Sourcegraph instead of cgit</label>
+    </form>
+
+    <noscript>
+      <p class="cheddar-callout cheddar-warning">
+        The form above only works with Javascript enabled. Only a few
+        lines of Javascript are used, and they are licensed under a
+        free-software license (MIT).
+      </p>
+    </noscript>
+
+    ### Source code
+
+    atward's source code lives at
+    [//web/atward](https://at.tvl.fyi/?q=%2F%2Fweb%2Fatward).
+  '';
+  extraHead = ''
+    <script>
+      /* Initialise the state of all settings. */
+      function loadSettings() {
+          loadSetting(document.getElementById('cs-setting'), 'cs');
+      }
+
+      /* Initialise the state of a setting from a cookie. */
+      function loadSetting(checkbox, name) {
+          if (document.cookie.split(';').some(function(cookie) {
+              return cookie.indexOf(`''${name}=true`) >= 0;
+          })) {
+              checkbox.checked = true;
+          }
+      }
+
+      /* Persist the state of a checkbox in a cookie */
+      function saveSetting(checkbox, name) {
+          console.log(`setting atward parameter '''''${name}' to ''${checkbox.checked.toString()}`);
+          document.cookie = `''${name}=''${checkbox.checked.toString()};`;
+      }
+
+      document.addEventListener('DOMContentLoaded', loadSettings);
+    </script>
+    <link rel="search" type="application/opensearchdescription+xml" title="TVL Search" href="https://at.tvl.fyi/opensearch.xml">
+  '';
+}
diff --git a/web/atward/src/main.rs b/web/atward/src/main.rs
new file mode 100644
index 000000000000..eb2603a226c6
--- /dev/null
+++ b/web/atward/src/main.rs
@@ -0,0 +1,200 @@
+//! Atward implements TVL's redirection service, living at
+//! atward.tvl.fyi
+//!
+//! This service is designed to be added as a search engine to web
+//! browsers and attempts to send users to useful locations based on
+//! their search query (falling back to another search engine).
+use regex::Regex;
+use rouille::input::cookies;
+use rouille::{Request, Response};
+
+#[cfg(test)]
+mod tests;
+
+/// A query handler supported by atward. It consists of a pattern on
+/// which to match and trigger the query, and a function to execute
+/// that returns the target URL.
+struct Handler {
+    /// Regular expression on which to match the query string.
+    pattern: Regex,
+
+    /// Function to construct the target URL. If the pattern matches,
+    /// this is invoked with the captured matches and the entire URI.
+    ///
+    /// Returning `None` causes atward to fall through to the next
+    /// query (and eventually to the default search engine).
+    target: for<'s> fn(&Query, regex::Captures<'s>) -> Option<String>,
+}
+
+/// An Atward query supplied by a user.
+#[derive(Debug, PartialEq)]
+struct Query {
+    /// Query string itself.
+    query: String,
+
+    /// Should Sourcegraph be used instead of cgit?
+    cs: bool,
+}
+
+/// Helper function for setting a parameter based on a query
+/// parameter.
+fn query_setting(req: &Request, config: &mut bool, param: &str) {
+    match req.get_param(param) {
+        Some(s) if s == "true" => *config = true,
+        Some(s) if s == "false" => *config = false,
+        _ => {}
+    }
+}
+
+impl Query {
+    fn from_request(req: &Request) -> Option<Query> {
+        // First extract the actual search query ...
+        let mut query = match req.get_param("q") {
+            Some(query) => Query { query, cs: false },
+            None => return None,
+        };
+
+        // ... then apply settings to it. Settings in query parameters
+        // take precedence over cookies.
+        for cookie in cookies(req) {
+            match cookie {
+                ("cs", "true") => {
+                    query.cs = true;
+                }
+                _ => {}
+            }
+        }
+
+        query_setting(req, &mut query.cs, "cs");
+
+        Some(query)
+    }
+}
+
+#[cfg(test)]
+impl From<&str> for Query {
+    fn from(query: &str) -> Query {
+        Query {
+            query: query.to_string(),
+            cs: false,
+        }
+    }
+}
+
+/// Create a URL to a file (and, optionally, specific line) in cgit.
+fn cgit_url(path: &str) -> String {
+    if path.ends_with(".md") {
+        format!("https://code.tvl.fyi/about/{}", path)
+    } else {
+        format!("https://code.tvl.fyi/tree/{}", path)
+    }
+}
+
+/// Create a URL to a path in Sourcegraph.
+fn sourcegraph_path_url(path: &str) -> String {
+    format!("https://cs.tvl.fyi/depot/-/tree/{}", path)
+}
+/// Definition of all supported query handlers in atward.
+fn handlers() -> Vec<Handler> {
+    vec![
+        // Bug IDs (e.g. b/123)
+        Handler {
+            pattern: Regex::new("^b/(?P<bug>\\d+)$").unwrap(),
+            target: |_, captures| Some(format!("https://b.tvl.fyi/{}", &captures["bug"])),
+        },
+        // Changelists (e.g. cl/42)
+        Handler {
+            pattern: Regex::new("^cl/(?P<cl>\\d+)$").unwrap(),
+            target: |_, captures| Some(format!("https://cl.tvl.fyi/{}", &captures["cl"])),
+        },
+        // Non-parameterised short hostnames should redirect to $host.tvl.fyi
+        Handler {
+            pattern: Regex::new("^(?P<host>b|cl|cs|code|at|todo)$").unwrap(),
+            target: |_, captures| Some(format!("https://{}.tvl.fyi/", &captures["host"])),
+        },
+        // Depot revisions (e.g. r/3002)
+        Handler {
+            pattern: Regex::new("^r/(?P<rev>\\d+)$").unwrap(),
+            target: |_, captures| {
+                Some(format!(
+                    "https://code.tvl.fyi/commit/?id=refs/r/{}",
+                    &captures["rev"]
+                ))
+            },
+        },
+        // Depot paths (e.g. //web/atward or //ops/nixos/whitby/default.nix)
+        // TODO(tazjin): Add support for specifying lines in a query parameter
+        Handler {
+            pattern: Regex::new("^//(?P<path>[a-zA-Z].*)?$").unwrap(),
+            target: |query, captures| {
+                // Pass an empty string if the path is missing, to
+                // redirect to the depot root.
+                let path = captures.name("path").map(|m| m.as_str()).unwrap_or("");
+
+                if query.cs {
+                    Some(sourcegraph_path_url(path))
+                } else {
+                    Some(cgit_url(path))
+                }
+            },
+        },
+    ]
+}
+
+/// Attempt to match against all known query types, and return the
+/// destination URL if one is found.
+fn dispatch(handlers: &[Handler], query: &Query) -> Option<String> {
+    for handler in handlers {
+        if let Some(captures) = handler.pattern.captures(&query.query) {
+            if let Some(destination) = (handler.target)(query, captures) {
+                return Some(destination);
+            }
+        }
+    }
+
+    None
+}
+
+/// Return the opensearch.xml file which is required for adding atward
+/// as a search engine in Firefox.
+fn opensearch() -> Response {
+    Response::text(include_str!("opensearch.xml"))
+        .with_unique_header("Content-Type", "application/opensearchdescription+xml")
+}
+
+/// Render the atward index page which gives users some information
+/// about how to use the service.
+fn index() -> Response {
+    Response::html(include_str!(env!("ATWARD_INDEX_HTML")))
+}
+
+/// Render the fallback page which informs users that their query is
+/// unsupported.
+fn fallback() -> Response {
+    Response::text("error for emphasis that i am angery and the query whimchst i angery atward")
+        .with_status_code(404)
+}
+
+fn main() {
+    let queries = handlers();
+    let address = std::env::var("ATWARD_LISTEN_ADDRESS")
+        .expect("ATWARD_LISTEN_ADDRESS environment variable must be set");
+
+    rouille::start_server(&address, move |request| {
+        rouille::log(&request, std::io::stderr(), || {
+            if request.url() == "/opensearch.xml" {
+                return opensearch();
+            }
+
+            let query = match Query::from_request(&request) {
+                Some(q) => q,
+                None => return index(),
+            };
+
+            match dispatch(&queries, &query) {
+                None => fallback(),
+                Some(destination) => Response::redirect_303(destination),
+            }
+        })
+    });
+}
diff --git a/web/atward/src/opensearch.xml b/web/atward/src/opensearch.xml
new file mode 100644
index 000000000000..6033987f5b4b
--- /dev/null
+++ b/web/atward/src/opensearch.xml
@@ -0,0 +1,8 @@
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
+  <ShortName>TVL</ShortName>
+  <Description>The Virus Lounge Search</Description>
+  <InputEncoding>UTF-8</InputEncoding>
+  <Url type="text/html" template="https://at.tvl.fyi/">
+    <Param name="q" value="{searchTerms}"/>
+  </Url>
+</OpenSearchDescription>
diff --git a/web/atward/src/tests.rs b/web/atward/src/tests.rs
new file mode 100644
index 000000000000..a23f96ee9a74
--- /dev/null
+++ b/web/atward/src/tests.rs
@@ -0,0 +1,187 @@
+use super::*;
+
+#[test]
+fn bug_query() {
+    assert_eq!(
+        dispatch(&handlers(), &"b/42".into()),
+        Some("https://b.tvl.fyi/42".to_string())
+    );
+
+    assert_eq!(
+        dispatch(&handlers(), &"something only mentioning b/42".into()),
+        None,
+    );
+    assert_eq!(dispatch(&handlers(), &"b/invalid".into()), None,);
+}
+
+#[test]
+fn cl_query() {
+    assert_eq!(
+        dispatch(&handlers(), &"cl/42".into()),
+        Some("https://cl.tvl.fyi/42".to_string())
+    );
+
+    assert_eq!(
+        dispatch(&handlers(), &"something only mentioning cl/42".into()),
+        None,
+    );
+    assert_eq!(dispatch(&handlers(), &"cl/invalid".into()), None,);
+}
+
+#[test]
+fn depot_path_cgit_query() {
+    assert_eq!(
+        dispatch(&handlers(), &"//web/atward/default.nix".into()),
+        Some("https://code.tvl.fyi/tree/web/atward/default.nix".to_string()),
+    );
+
+    assert_eq!(
+        dispatch(&handlers(), &"//nix/readTree/README.md".into()),
+        Some("https://code.tvl.fyi/about/nix/readTree/README.md".to_string()),
+    );
+
+    assert_eq!(dispatch(&handlers(), &"/not/a/depot/path".into()), None);
+}
+
+#[test]
+fn depot_path_sourcegraph_query() {
+    assert_eq!(
+        dispatch(
+            &handlers(),
+            &Query {
+                query: "//web/atward/default.nix".to_string(),
+                cs: true,
+            }
+        ),
+        Some("https://cs.tvl.fyi/depot/-/tree/web/atward/default.nix".to_string()),
+    );
+
+    assert_eq!(
+        dispatch(
+            &handlers(),
+            &Query {
+                query: "/not/a/depot/path".to_string(),
+                cs: true,
+            }
+        ),
+        None
+    );
+}
+
+#[test]
+fn depot_root_cgit_query() {
+    assert_eq!(
+        dispatch(
+            &handlers(),
+            &Query {
+                query: "//".to_string(),
+                cs: false,
+            }
+        ),
+        Some("https://code.tvl.fyi/tree/".to_string()),
+    );
+}
+
+#[test]
+fn plain_host_queries() {
+    assert_eq!(
+        dispatch(&handlers(), &"cs".into()),
+        Some("https://cs.tvl.fyi/".to_string()),
+    );
+
+    assert_eq!(
+        dispatch(&handlers(), &"cl".into()),
+        Some("https://cl.tvl.fyi/".to_string()),
+    );
+
+    assert_eq!(
+        dispatch(&handlers(), &"b".into()),
+        Some("https://b.tvl.fyi/".to_string()),
+    );
+
+    assert_eq!(
+        dispatch(&handlers(), &"todo".into()),
+        Some("https://todo.tvl.fyi/".to_string()),
+    );
+}
+
+#[test]
+fn request_to_query() {
+    assert_eq!(
+        Query::from_request(&Request::fake_http("GET", "/?q=b%2F42", vec![], vec![]))
+            .expect("request should parse to a query"),
+        Query {
+            query: "b/42".to_string(),
+            cs: false,
+        },
+    );
+
+    assert_eq!(
+        Query::from_request(&Request::fake_http("GET", "/", vec![], vec![])),
+        None
+    );
+}
+
+#[test]
+fn settings_from_cookie() {
+    assert_eq!(
+        Query::from_request(&Request::fake_http(
+            "GET",
+            "/?q=b%2F42",
+            vec![("Cookie".to_string(), "cs=true;".to_string())],
+            vec![]
+        ))
+        .expect("request should parse to a query"),
+        Query {
+            query: "b/42".to_string(),
+            cs: true,
+        },
+    );
+}
+
+#[test]
+fn settings_from_query_parameter() {
+    assert_eq!(
+        Query::from_request(&Request::fake_http(
+            "GET",
+            "/?q=b%2F42&cs=true",
+            vec![],
+            vec![]
+        ))
+        .expect("request should parse to a query"),
+        Query {
+            query: "b/42".to_string(),
+            cs: true,
+        },
+    );
+
+    // Query parameter should override cookie
+    assert_eq!(
+        Query::from_request(&Request::fake_http(
+            "GET",
+            "/?q=b%2F42&cs=false",
+            vec![("Cookie".to_string(), "cs=true;".to_string())],
+            vec![]
+        ))
+        .expect("request should parse to a query"),
+        Query {
+            query: "b/42".to_string(),
+            cs: false,
+        },
+    );
+}
+
+#[test]
+fn depot_revision_query() {
+    assert_eq!(
+        dispatch(&handlers(), &"r/3002".into()),
+        Some("https://code.tvl.fyi/commit/?id=refs/r/3002".to_string())
+    );
+
+    assert_eq!(
+        dispatch(&handlers(), &"something only mentioning r/3002".into()),
+        None,
+    );
+
+    assert_eq!(dispatch(&handlers(), &"r/invalid".into()), None,);
+}
diff --git a/web/blog/default.nix b/web/blog/default.nix
new file mode 100644
index 000000000000..f55c33a63a54
--- /dev/null
+++ b/web/blog/default.nix
@@ -0,0 +1,63 @@
+# This creates the static files that make up my blog from the Markdown
+# files in this repository.
+#
+# All blog posts are rendered from Markdown by cheddar.
+{ depot, lib, pkgs, ... }@args:
+
+with depot.nix.yants;
+
+let
+  inherit (builtins) readFile;
+  inherit (depot.nix) renderMarkdown;
+  inherit (depot.web) atom-feed;
+  inherit (lib) singleton;
+
+  # Type definition for a single blog post.
+  post = struct "blog-post" {
+    key = string;
+    title = string;
+    date = int;
+
+    # Optional time at which this post was last updated.
+    updated = option int;
+
+    # Path to the Markdown file containing the post content.
+    content = path;
+
+    # Should this post be included in the index? (defaults to true)
+    listed = option bool;
+
+    # Is this a draft? (adds a banner indicating that the link should
+    # not be shared)
+    draft = option bool;
+
+    # Previously each post title had a numeric ID. For these numeric
+    # IDs, redirects are generated so that old URLs stay compatible.
+    oldKey = option string;
+  };
+
+  # Rendering fragments for the HTML version of the blog.
+  fragments = import ./fragments.nix args;
+
+  # Functions for generating feeds for these blogs using //web/atom-feed.
+  toFeedEntry = { baseUrl, ... }: defun [ post atom-feed.entry ] (post: rec {
+    id = "${baseUrl}/${post.key}";
+    title = post.title;
+    content = readFile (renderMarkdown post.content);
+    published = post.date;
+    updated = post.updated or post.date;
+
+    links = singleton {
+      rel = "alternate";
+      href = id;
+    };
+  });
+in
+{
+  inherit post toFeedEntry;
+  inherit (fragments) renderPost;
+
+  # Helper function to determine whether a post should be included in
+  # listings (on homepages, feeds, ...)
+  includePost = post: !(fragments.isDraft post) && !(fragments.isUnlisted post);
+}
diff --git a/web/blog/fragments.nix b/web/blog/fragments.nix
new file mode 100644
index 000000000000..19d62fa4744d
--- /dev/null
+++ b/web/blog/fragments.nix
@@ -0,0 +1,96 @@
+# This file defines various fragments of the blog, such as the header
+# and footer, as functions that receive arguments to be templated into
+# them.
+#
+# An entire post is rendered by `renderPost`, which assembles the
+# fragments together in a runCommand execution.
+{ depot, lib, pkgs, ... }:
+
+let
+  inherit (builtins) filter map hasAttr replaceStrings;
+  inherit (pkgs) runCommandNoCC writeText;
+  inherit (depot.nix) renderMarkdown;
+
+  staticUrl = "https://static.tvl.fyi/${depot.web.static.drvHash}";
+
+  # Generate a post list for all listed, non-draft posts.
+  isDraft = post: (hasAttr "draft" post) && post.draft;
+  isUnlisted = post: (hasAttr "listed" post) && !post.listed;
+
+  escape = replaceStrings [ "<" ">" "&" "'" ] [ "&lt;" "&gt;" "&amp;" "&#39;" ];
+
+  header = name: title: ''
+    <!DOCTYPE html>
+    <head>
+      <meta charset="utf-8">
+      <meta name="viewport" content="width=device-width, initial-scale=1">
+      <meta name="description" content="${escape name}">
+      <link rel="stylesheet" type="text/css" href="${staticUrl}/tvl.css" media="all">
+      <link rel="icon" type="image/webp" href="/static/favicon.webp">
+      <link rel="alternate" type="application/atom+xml" title="Atom Feed" href="https://tvl.fyi/feed.atom">
+      <title>${escape name}: ${escape title}</title>
+    </head>
+    <body class="light">
+      <header>
+        <h1><a class="blog-title" href="/">${escape name}</a> </h1>
+        <hr>
+      </header>
+  '';
+
+  fullFooter = content: ''
+      <hr>
+      <footer>
+        ${content}
+      </footer>
+    </body>
+  '';
+
+  draftWarning = writeText "draft.html" ''
+    <p class="cheddar-callout cheddar-warning">
+      <b>Note:</b> This post is a <b>draft</b>! Please do not share
+      the link to it without asking first.
+    </p>
+    <hr>
+  '';
+
+  unlistedWarning = writeText "unlisted.html" ''
+    <p class="cheddar-callout cheddar-warning">
+      <b>Note:</b> This post is <b>unlisted</b>! Please do not share
+      the link to it without asking first.
+    </p>
+    <hr>
+  '';
+
+  renderPost = { name, footer, ... }: post: runCommandNoCC "${post.key}.html" { } ''
+    cat ${writeText "header.html" (header name post.title)} > $out
+
+    # Write the post title & date
+    echo '<article><h2 class="inline">${escape post.title}</h2>' >> $out
+    echo '<aside class="date">' >> $out
+    date --date="@${toString post.date}" '+%Y-%m-%d' >> $out
+    ${
+      if post ? updated
+      then ''date --date="@${toString post.updated}" '+ (updated %Y-%m-%d)' >> $out''
+      else ""
+    }
+    echo '</aside>' >> $out
+
+    ${
+      # Add a warning to draft/unlisted posts to make it clear that
+      # people should not share the post.
+
+      if (isDraft post) then "cat ${draftWarning} >> $out"
+      else if (isUnlisted post) then "cat ${unlistedWarning} >> $out"
+      else "# Your ads could be here?"
+    }
+
+    # Write the actual post through cheddar's about-filter mechanism
+    cat ${renderMarkdown post.content} >> $out
+    echo '</article>' >> $out
+
+    cat ${writeText "footer.html" (fullFooter footer)} >> $out
+  '';
+in
+{
+  inherit isDraft isUnlisted renderPost;
+}
diff --git a/web/bubblegum/OWNERS b/web/bubblegum/OWNERS
new file mode 100644
index 000000000000..f16dd105d761
--- /dev/null
+++ b/web/bubblegum/OWNERS
@@ -0,0 +1,3 @@
+inherited: true
+owners:
+  - sterni
diff --git a/web/bubblegum/README.md b/web/bubblegum/README.md
new file mode 100644
index 000000000000..48c2ba6e0328
--- /dev/null
+++ b/web/bubblegum/README.md
@@ -0,0 +1,68 @@
+# //web/bubblegum
+
+`bubblegum` is a CGI programming library for the Nix expression language.
+It provides a few helpers to make writing CGI scripts which are executable
+using [//nix/nint](../../nix/nint/README.md) convenient.
+
+An example nix.cgi script looks like this (don't worry about the shebang
+too much, you can use `web.bubblegum.writeCGI` to set this up without
+thinking twice):
+
+```nix
+#!/usr/bin/env nint --arg depot '(import /path/to/depot {})'
+{ depot, ... }:
+
+let
+  inherit (depot.web.bubblegum)
+    respond
+    ;
+in
+
+respond "OK" {
+  "Content-type" = "text/html";
+  # further headers…
+} ''
+  <!doctype html>
+  <html>
+    <head>
+      <meta charset="utf-8">
+      <title>hello world</title>
+    </head>
+    <body>
+      hello world!
+    </body>
+  </html>
+''
+```
+
+As you can see, the core component of `bubblegum` is the `respond`
+function which takes three arguments:
+
+* The response status as the textual representation which is also
+  returned to the client in the HTTP protocol, e. g. `"OK"`,
+  `"Not Found"`, `"Bad Request"`, …
+
+* An attribute set mapping header names to header values to be sent.
+
+* The response body as a string.
+
+Additionally it exposes a few helpers for working with the CGI
+environment like `pathInfo` which is a wrapper around
+`builtins.getEnv "PATH_INFO"`. The documentation for all exposed
+helpers is inlined in [default.nix](./default.nix) (you should be
+able to use `nixdoc` to render it).
+
+For deployment purposes it is recommended to use `writeCGI` which
+takes a nix CGI script in the form of a derivation, path or string
+and builds an executable nix CGI script which has the correct shebang
+set and is automatically passed a version of depot from the nix store,
+so the script has access to the `bubblegum` library.
+
+For example nix CGI scripts and a working deployment using `thttpd`
+see the [examples directory](./examples). You can also start a local
+server running the examples like this:
+
+```
+$ nix-build -A web.bubblegum.examples && ./result
+# navigate to http://localhost:9000
+```
diff --git a/web/bubblegum/default.nix b/web/bubblegum/default.nix
new file mode 100644
index 000000000000..528d73032ba6
--- /dev/null
+++ b/web/bubblegum/default.nix
@@ -0,0 +1,267 @@
+{ depot, lib, pkgs, ... }:
+
+let
+
+  inherit (depot.nix)
+    runExecline
+    getBins
+    utils
+    sparseTree
+    nint
+    ;
+
+  minimalDepot = sparseTree depot.path.origSrc [
+    # general depot things
+    "default.nix"
+    "nix/readTree"
+    # nixpkgs for lib and packages
+    "third_party/nixpkgs"
+    "third_party/overlays"
+    # bubblegum and its dependencies
+    "web/bubblegum"
+    "nix/runExecline"
+    "nix/utils"
+    "nix/sparseTree"
+    # tvix docs for svg demo
+    "tvix/docs"
+    # for blog.nix
+    "users/sterni/nix"
+  ];
+
+  statusCodes = {
+    # 1xx
+    "Continue" = 100;
+    "Switching Protocols" = 101;
+    "Processing" = 102;
+    "Early Hints" = 103;
+    # 2xx
+    "OK" = 200;
+    "Created" = 201;
+    "Accepted" = 202;
+    "Non-Authoritative Information" = 203;
+    "No Content" = 204;
+    "Reset Content" = 205;
+    "Partial Content" = 206;
+    "Multi Status" = 207;
+    "Already Reported" = 208;
+    "IM Used" = 226;
+    # 3xx
+    "Multiple Choices" = 300;
+    "Moved Permanently" = 301;
+    "Found" = 302;
+    "See Other" = 303;
+    "Not Modified" = 304;
+    "Use Proxy" = 305;
+    "Switch Proxy" = 306;
+    "Temporary Redirect" = 307;
+    "Permanent Redirect" = 308;
+    # 4xx
+    "Bad Request" = 400;
+    "Unauthorized" = 401;
+    "Payment Required" = 402;
+    "Forbidden" = 403;
+    "Not Found" = 404;
+    "Method Not Allowed" = 405;
+    "Not Acceptable" = 406;
+    "Proxy Authentication Required" = 407;
+    "Request Timeout" = 408;
+    "Conflict" = 409;
+    "Gone" = 410;
+    "Length Required" = 411;
+    "Precondition Failed" = 412;
+    "Payload Too Large" = 413;
+    "URI Too Long" = 414;
+    "Unsupported Media Type" = 415;
+    "Range Not Satisfiable" = 416;
+    "Expectation Failed" = 417;
+    "I'm a teapot" = 418;
+    "Misdirected Request" = 421;
+    "Unprocessable Entity" = 422;
+    "Locked" = 423;
+    "Failed Dependency" = 424;
+    "Too Early" = 425;
+    "Upgrade Required" = 426;
+    "Precondition Required" = 428;
+    "Too Many Requests" = 429;
+    "Request Header Fields Too Large" = 431;
+    "Unavailable For Legal Reasons" = 451;
+    # 5xx
+    "Internal Server Error" = 500;
+    "Not Implemented" = 501;
+    "Bad Gateway" = 502;
+    "Service Unavailable" = 503;
+    "Gateway Timeout" = 504;
+    "HTTP Version Not Supported" = 505;
+    "Variant Also Negotiates" = 506;
+    "Insufficient Storage" = 507;
+    "Loop Detected" = 508;
+    "Not Extended" = 510;
+    "Network Authentication Required" = 511;
+  };
+
+  /* Generate a CGI response. Takes three arguments:
+
+     1. Status of the response as a string which is
+        the descriptive name in the protocol, e. g.
+        `"OK"`, `"Not Found"` etc.
+     2. Attribute set describing extra headers to
+        send, keys and values should both be strings.
+     3. Response content as a string.
+
+     See the [README](./README.md) for an example.
+
+    Type: either int string -> attrs string -> string -> string
+  */
+  respond =
+    # response status as an integer (status code) or its
+    # textual representation in the HTTP protocol.
+    # See `statusCodes` for a list of valid options.
+    statusArg:
+    # headers as an attribute set of strings
+    headers:
+    # response body as a string
+    bodyArg:
+    let
+      status =
+        if builtins.isInt statusArg
+        then {
+          code = statusArg;
+          line = lib.findFirst
+            (line: statusCodes."${line}" == statusArg)
+            null
+            (builtins.attrNames statusCodes);
+        } else if builtins.isString statusArg then {
+          code = statusCodes."${statusArg}" or null;
+          line = statusArg;
+        } else {
+          code = null;
+          line = null;
+        };
+      renderedHeaders = lib.concatStrings
+        (lib.mapAttrsToList (n: v: "${n}: ${toString v}\r\n") headers);
+      internalError = msg: respond 500
+        {
+          Content-type = "text/plain";
+        } "bubblegum error: ${msg}";
+      body = builtins.tryEval bodyArg;
+    in
+    if status.code == null || status.line == null
+    then internalError "Invalid status ${lib.generators.toPretty {} statusArg}."
+    else if !body.success
+    then internalError "Unknown evaluation error in user code"
+    else
+      lib.concatStrings [
+        "Status: ${toString status.code} ${status.line}\r\n"
+        renderedHeaders
+        "\r\n"
+        body.value
+      ];
+
+  /* Returns the value of the `SCRIPT_NAME` environment
+     variable used by CGI.
+  */
+  scriptName = builtins.getEnv "SCRIPT_NAME";
+
+  /* Returns the value of the `PATH_INFO` environment
+     variable used by CGI. All cases that could be
+     considered as the CGI script's root (i. e.
+     `PATH_INFO` is empty or `/`) is mapped to `"/"`
+     for convenience.
+  */
+  pathInfo =
+    let
+      p = builtins.getEnv "PATH_INFO";
+    in
+    if builtins.stringLength p == 0
+    then "/"
+    else p;
+
+  /* Helper function which converts a path from the
+     root of the CGI script (i. e. something which
+     could be the content of `PATH_INFO`) to an
+     absolute path from the web root by also
+     utilizing `scriptName`.
+
+     Type: string -> string
+  */
+  absolutePath = path:
+    if builtins.substring 0 1 path == "/"
+    then "${scriptName}${path}"
+    else "${scriptName}/${path}";
+
+  bins = getBins pkgs.coreutils [ "env" "tee" "cat" "printf" "chmod" ]
+    // getBins nint [ "nint" ];
+
+  /* Type: args -> either path derivation string -> derivation
+  */
+  writeCGI =
+    {
+      # if given sets the `PATH` to search for `nix-instantiate`
+      # Useful when using for example thttpd which unsets `PATH`
+      # in the CGI environment.
+      binPath ? ""
+      # name of the resulting derivation. Defaults to `baseNameOf`
+      # the input path or name of the input derivation.
+      # Must be given if the input is a string.
+    , name ? null
+    , ...
+    }@args:
+    input:
+    let
+      drvName =
+        if builtins.isString input || args ? name
+        then args.name
+        else utils.storePathName input;
+      script =
+        if builtins.isPath input || lib.isDerivation input
+        then input
+        else if builtins.isString input
+        then pkgs.writeText "${drvName}-source" input
+        else builtins.throw "Unsupported input: ${lib.generators.toPretty {} input}";
+      shebang = lib.concatStringsSep " " ([
+        "#!${bins.env}"
+        # use the slightly cursed /usr/bin/env -S which allows us
+        # to pass any number of arguments to our interpreter
+        # instead of maximum one using plain shebang which considers
+        # everything after the first space as the second argument.
+        "-S"
+      ] ++ lib.optionals (builtins.stringLength binPath > 0) [
+        "PATH=${binPath}"
+      ] ++ [
+        "${bins.nint}"
+        # always pass depot so scripts can use this library
+        "--arg depot '(import ${minimalDepot} {})'"
+      ]);
+    in
+    runExecline.local drvName { } [
+      "importas"
+      "out"
+      "out"
+      "pipeline"
+      [
+        "foreground"
+        [
+          "if"
+          [ bins.printf "%s\n" shebang ]
+        ]
+        "if"
+        [ bins.cat script ]
+      ]
+      "if"
+      [ bins.tee "$out" ]
+      "if"
+      [ bins.chmod "+x" "$out" ]
+      "exit"
+      "0"
+    ];
+
+in
+{
+  inherit
+    respond
+    pathInfo
+    scriptName
+    absolutePath
+    writeCGI
+    ;
+}
diff --git a/web/bubblegum/examples/blog.nix b/web/bubblegum/examples/blog.nix
new file mode 100644
index 000000000000..76b91168b894
--- /dev/null
+++ b/web/bubblegum/examples/blog.nix
@@ -0,0 +1,143 @@
+{ depot, ... }:
+
+let
+  inherit (depot.third_party.nixpkgs)
+    lib
+    ;
+
+  inherit (depot.users.sterni.nix)
+    url
+    fun
+    string
+    ;
+
+  inherit (depot.web.bubblegum)
+    pathInfo
+    scriptName
+    respond
+    absolutePath
+    ;
+
+  # substituted using substituteAll in default.nix
+  blogdir = "@blogdir@";
+  # blogdir = toString ./posts; # for local testing
+
+  parseDate = post:
+    let
+      matched = builtins.match "/?([0-9]+)-([0-9]+)-([0-9]+)-.+" post;
+    in
+    if matched == null
+    then [ 0 0 0 ]
+    else builtins.map builtins.fromJSON matched;
+
+  parseTitle = post:
+    let
+      matched = builtins.match "/?[0-9]+-[0-9]+-[0-9]+-(.+).html" post;
+    in
+    if matched == null
+    then "no title"
+    else builtins.head matched;
+
+  dateAtLeast = a: b:
+    builtins.all fun.id
+      (lib.zipListsWith (partA: partB: partA >= partB) a b);
+
+  byPostDate = a: b:
+    dateAtLeast (parseDate a) (parseDate b);
+
+  posts = builtins.sort byPostDate
+    (builtins.attrNames
+      (lib.filterAttrs (_: v: v == "regular")
+        (builtins.readDir blogdir)));
+
+  generic = { title, inner, ... }: ''
+    <!doctype html>
+    <html>
+      <head>
+        <meta charset="utf-8">
+        <title>${title}</title>
+        <style>a:link, a:visited { color: blue; }</style>
+      </head>
+      <body>
+      ${inner}
+      </body>
+    </html>
+  '';
+
+  index = posts: ''
+    <main>
+      <h1>blog posts</h1>
+      <ul>
+  '' + lib.concatMapStrings
+    (post: ''
+      <li>
+        <a href="${absolutePath (url.encode {} post)}">${parseTitle post}</a>
+      </li>
+    '')
+    posts + ''
+      </ul>
+    </main>
+  '';
+
+  formatDate =
+    let
+      # Assume we never deal with years < 1000
+      formatDigit = d: string.fit
+        {
+          char = "0";
+          width = 2;
+        }
+        (toString d);
+    in
+    lib.concatMapStringsSep "-" formatDigit;
+
+  post = title: post: ''
+    <main>
+      <h1>${title}</h1>
+      <div id="content">
+        ${builtins.readFile (blogdir + "/" + post)}
+      </div>
+    </main>
+    <footer>
+      <p>Posted on ${formatDate (parseDate post)}</p>
+      <nav><a href="${scriptName}">index</a></nav>
+    </footer>
+  '';
+
+  validatePathInfo = pathInfo:
+    let
+      chars = string.toChars pathInfo;
+    in
+    builtins.length chars > 1
+    && !(builtins.elem "/" (builtins.tail chars));
+
+  response =
+    if pathInfo == "/"
+    then {
+      title = "blog";
+      status = 200;
+      inner = index posts;
+    }
+    else if !(validatePathInfo pathInfo)
+    then {
+      title = "Bad Request";
+      status = 400;
+      inner = "No slashes in post names 😡";
+    }
+    # CGI should already url.decode for us
+    else if builtins.pathExists (blogdir + "/" + pathInfo)
+    then rec {
+      title = parseTitle pathInfo;
+      status = 200;
+      inner = post title pathInfo;
+    } else {
+      title = "Not Found";
+      status = 404;
+      inner = "<h1>404 — not found</h1>";
+    };
+in
+respond response.status
+{
+  "Content-type" = "text/html";
+}
+  (generic response)
diff --git a/web/bubblegum/examples/default.nix b/web/bubblegum/examples/default.nix
new file mode 100644
index 000000000000..89482f93eacc
--- /dev/null
+++ b/web/bubblegum/examples/default.nix
@@ -0,0 +1,82 @@
+{ depot, pkgs, lib, ... }:
+
+let
+
+  scripts = [
+    ./hello.nix
+    ./derivation-svg.nix
+    (substituteAll {
+      src = ./blog.nix;
+      # by making this a plain string this
+      # can be something outside the nix store!
+      blogdir = ./posts;
+    })
+  ];
+
+  inherit (depot.nix)
+    writeExecline
+    runExecline
+    getBins
+    ;
+
+  inherit (depot.web.bubblegum)
+    writeCGI
+    ;
+
+  inherit (pkgs)
+    runCommandLocal
+    substituteAll
+    ;
+
+  bins = (getBins pkgs.thttpd [ "thttpd" ])
+    // (getBins pkgs.coreutils [ "printf" "cp" "mkdir" ]);
+
+  webRoot =
+    let
+      copyScripts = lib.concatMap
+        (path:
+          let
+            cgi = writeCGI
+              {
+                # assume we are on NixOS since thttpd doesn't set PATH.
+                # using third_party.nix is tricky because not everyone
+                # has a tvix daemon running.
+                binPath = "/run/current-system/sw/bin";
+              }
+              path;
+          in
+          [
+            "if"
+            [ bins.cp cgi "\${out}/${cgi.name}" ]
+          ])
+        scripts;
+    in
+    runExecline.local "webroot" { } ([
+      "importas"
+      "out"
+      "out"
+      "if"
+      [ bins.mkdir "-p" "$out" ]
+    ] ++ copyScripts);
+
+  port = 9000;
+
+in
+writeExecline "serve-examples" { } [
+  "foreground"
+  [
+    bins.printf
+    "%s\n"
+    "Running on http://localhost:${toString port}"
+  ]
+  "${bins.thttpd}"
+  "-D"
+  "-p"
+  (toString port)
+  "-l"
+  "/dev/stderr"
+  "-c"
+  "*.nix"
+  "-d"
+  webRoot
+]
diff --git a/web/bubblegum/examples/derivation-svg.nix b/web/bubblegum/examples/derivation-svg.nix
new file mode 100644
index 000000000000..9a625afb55d7
--- /dev/null
+++ b/web/bubblegum/examples/derivation-svg.nix
@@ -0,0 +1,13 @@
+# Warning: this is *very* slow on the first request
+{ depot, ... }:
+
+let
+  inherit (depot.web.bubblegum)
+    respond
+    ;
+in
+respond "OK"
+{
+  Content-type = "image/svg+xml";
+}
+  (builtins.readFile "${depot.tvix.docs.svg}/component-flow.svg")
diff --git a/web/bubblegum/examples/hello.nix b/web/bubblegum/examples/hello.nix
new file mode 100644
index 000000000000..bd4891f7d66d
--- /dev/null
+++ b/web/bubblegum/examples/hello.nix
@@ -0,0 +1,94 @@
+{ depot, ... }:
+
+let
+  inherit (depot.third_party.nixpkgs)
+    lib
+    ;
+
+  inherit (depot.web.bubblegum)
+    pathInfo
+    respond
+    absolutePath
+    ;
+
+  routes = {
+    "/" = {
+      status = "OK";
+      title = "index";
+      content = ''
+        Hello World!
+      '';
+    };
+    "/clock" = {
+      status = "OK";
+      title = "clock";
+      content = ''
+        It is ${toString builtins.currentTime}s since 1970-01-01 00:00 UTC.
+      '';
+    };
+    "/coffee" = {
+      status = "I'm a teapot";
+      title = "coffee";
+      content = ''
+        No coffee, I'm afraid
+      '';
+    };
+    "/type-error" = {
+      status = 666;
+      title = "bad usage";
+      content = ''
+        Never gonna see this.
+      '';
+    };
+    "/eval-error" = {
+      status = "OK";
+      title = "evaluation error";
+      content = builtins.throw "lol";
+    };
+  };
+
+  notFound = {
+    status = "Not Found";
+    title = "404";
+    content = ''
+      This page doesn't exist.
+    '';
+  };
+
+  navigation =
+    lib.concatStrings (lib.mapAttrsToList
+      (p: v: "<li><a href=\"${absolutePath p}\">${v.title}</a></li>")
+      routes);
+
+  template = { title, content, ... }: ''
+    <!doctype html>
+    <html lang="en">
+    <head>
+      <meta charset="utf-8">
+      <title>${title}</title>
+      <style>a:link, a:visited { color: blue; }</style>
+    </head>
+    <body>
+      <hgroup>
+      <h1><code>//web/bubblegum</code></h1>
+      <h2>example app</h2>
+      </hgroup>
+      <header>
+        <nav>
+          <ul>${navigation}</ul>
+        </nav>
+      </header>
+      <main>
+        <p>${content}</p>
+      </main>
+    </body>
+  '';
+
+  response = routes."${pathInfo}" or notFound;
+
+in
+respond response.status
+{
+  "Content-type" = "text/html";
+}
+  (template response)
diff --git a/web/bubblegum/examples/posts/2021-04-01-hello.html b/web/bubblegum/examples/posts/2021-04-01-hello.html
new file mode 100644
index 000000000000..3c58be7953f1
--- /dev/null
+++ b/web/bubblegum/examples/posts/2021-04-01-hello.html
@@ -0,0 +1,3 @@
+<p>
+  This is it, the peak of cursed.
+</p>
diff --git a/web/bubblegum/examples/posts/2021-04-02-a second post.html b/web/bubblegum/examples/posts/2021-04-02-a second post.html
new file mode 100644
index 000000000000..050586c3029c
--- /dev/null
+++ b/web/bubblegum/examples/posts/2021-04-02-a second post.html
@@ -0,0 +1,7 @@
+<p>
+  <ul>
+    <li>✅ sorting</li>
+    <li>✅ url encoding (admire the spaces!)</li>
+    <li>✅ classic Nix regex based parsing</li>
+  </ul>
+</p>
diff --git a/web/converse/.gitignore b/web/converse/.gitignore
new file mode 100644
index 000000000000..548206b0b297
--- /dev/null
+++ b/web/converse/.gitignore
@@ -0,0 +1,3 @@
+.envrc
+/target/
+**/*.rs.bk
diff --git a/web/converse/Cargo.lock b/web/converse/Cargo.lock
new file mode 100644
index 000000000000..7f72be076e7c
--- /dev/null
+++ b/web/converse/Cargo.lock
@@ -0,0 +1,3069 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "actix"
+version = "0.7.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c616db5fa4b0c40702fb75201c2af7f8aa8f3a2e2c1dda3b0655772aa949666"
+dependencies = [
+ "actix_derive",
+ "bitflags 1.3.2",
+ "bytes",
+ "crossbeam-channel",
+ "failure",
+ "fnv",
+ "futures",
+ "libc",
+ "log 0.4.16",
+ "parking_lot 0.7.1",
+ "smallvec 0.6.14",
+ "tokio",
+ "tokio-codec",
+ "tokio-executor",
+ "tokio-io",
+ "tokio-reactor",
+ "tokio-signal",
+ "tokio-tcp",
+ "tokio-timer",
+ "trust-dns-proto 0.5.0",
+ "trust-dns-resolver",
+ "uuid",
+]
+
+[[package]]
+name = "actix-net"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8bebfbe6629e0131730746718c9e032b58f02c6ce06ed7c982b9fef6c8545acd"
+dependencies = [
+ "actix",
+ "bytes",
+ "futures",
+ "log 0.4.16",
+ "mio",
+ "net2",
+ "num_cpus",
+ "slab 0.4.6",
+ "tokio",
+ "tokio-codec",
+ "tokio-current-thread",
+ "tokio-io",
+ "tokio-reactor",
+ "tokio-tcp",
+ "tokio-timer",
+ "tower-service",
+ "trust-dns-resolver",
+]
+
+[[package]]
+name = "actix-web"
+version = "0.7.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0ac60f86c65a50b140139f499f4f7c6e49e4b5d88fbfba08e4e3975991f7bf4"
+dependencies = [
+ "actix",
+ "actix-net",
+ "base64 0.10.1",
+ "bitflags 1.3.2",
+ "brotli2",
+ "byteorder",
+ "bytes",
+ "cookie",
+ "encoding",
+ "failure",
+ "flate2",
+ "futures",
+ "futures-cpupool",
+ "h2",
+ "http",
+ "httparse",
+ "language-tags",
+ "lazy_static",
+ "lazycell",
+ "log 0.4.16",
+ "mime",
+ "mime_guess",
+ "mio",
+ "net2",
+ "num_cpus",
+ "parking_lot 0.7.1",
+ "percent-encoding 1.0.1",
+ "rand 0.6.5",
+ "regex",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "sha1",
+ "slab 0.4.6",
+ "smallvec 0.6.14",
+ "time 0.1.43",
+ "tokio",
+ "tokio-current-thread",
+ "tokio-io",
+ "tokio-reactor",
+ "tokio-tcp",
+ "tokio-timer",
+ "url 1.7.2",
+ "v_htmlescape",
+ "version_check 0.1.5",
+]
+
+[[package]]
+name = "actix_derive"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4300e9431455322ae393d43a2ba1ef96b8080573c0fc23b196219efedfb6ba69"
+dependencies = [
+ "proc-macro2 0.4.30",
+ "quote 0.6.13",
+ "syn 0.15.44",
+]
+
+[[package]]
+name = "addr2line"
+version = "0.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9ecd88a8c8378ca913a680cd98f0f13ac67383d35993f86c90a70e3f137816b"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
+[[package]]
+name = "adler32"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
+
+[[package]]
+name = "aead"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fc95d1bdb8e6666b2b217308eeeb09f2d6728d104be3e31916cc74d15420331"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "aes"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "884391ef1066acaa41e766ba8f596341b96e93ce34f9a43e7d24bf0a0eaf0561"
+dependencies = [
+ "aes-soft",
+ "aesni",
+ "cipher",
+]
+
+[[package]]
+name = "aes-gcm"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5278b5fabbb9bd46e24aa69b2fdea62c99088e0a950a9be40e3e0101298f88da"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "ghash",
+ "subtle",
+]
+
+[[package]]
+name = "aes-soft"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be14c7498ea50828a38d0e24a765ed2effe92a705885b57d029cd67d45744072"
+dependencies = [
+ "cipher",
+ "opaque-debug",
+]
+
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diff --git a/web/converse/Cargo.toml b/web/converse/Cargo.toml
new file mode 100644
index 000000000000..c77101144d5b
--- /dev/null
+++ b/web/converse/Cargo.toml
@@ -0,0 +1,37 @@
+[package]
+name = "converse"
+version = "0.1.0"
+authors = ["Vincent Ambo <mail@tazj.in>"]
+license = "GPL-3.0"
+
+[dependencies]
+actix = "0.7"
+actix-web = "0.7"
+askama = "0.6"
+chrono = { version = "0.4", features = ["serde"] }
+comrak = "0.2"
+crimp = "0.2"
+diesel = { version = "1.2", features = ["postgres", "chrono", "r2d2"]}
+env_logger = "0.5"
+failure = "0.1"
+futures = "0.1"
+hyper = "0.11"
+log = "0.4"
+md5 = "0.3.7"
+mime_guess = "2.0.0-alpha"
+pq-sys = "=0.4.4"
+r2d2 = "0.8"
+rand = "0.4"
+serde = "1.0"
+serde_derive = "1.0"
+serde_json = "1.0"
+tokio = "0.1"
+tokio-timer = "0.2"
+url = "1.7"
+url_serde = "0.2"
+curl = "*" # bounded by crimp
+rouille = "3.0"
+
+[build-dependencies]
+pulldown-cmark = "0.1"
+askama = "0.6"
diff --git a/web/converse/LICENSE b/web/converse/LICENSE
new file mode 100644
index 000000000000..f288702d2fa1
--- /dev/null
+++ b/web/converse/LICENSE
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received.  You must make sure that they, too, receive
+or can get the source code.  And you must show them these terms so they
+know their rights.
+
+  Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
+  For the developers' and authors' protection, the GPL clearly explains
+that there is no warranty for this free software.  For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
+authors of previous versions.
+
+  Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the manufacturer
+can do so.  This is fundamentally incompatible with the aim of
+protecting users' freedom to change the software.  The systematic
+pattern of such abuse occurs in the area of products for individuals to
+use, which is precisely where it is most unacceptable.  Therefore, we
+have designed this version of the GPL to prohibit the practice for those
+products.  If such problems arise substantially in other domains, we
+stand ready to extend this provision to those domains in future versions
+of the GPL, as needed to protect the freedom of users.
+
+  Finally, every program is threatened constantly by software patents.
+States should not allow patents to restrict development and use of
+software on general-purpose computers, but in those that do, we wish to
+avoid the special danger that patents applied to a free program could
+make it effectively proprietary.  To prevent this, the GPL assures that
+patents cannot be used to render the program non-free.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                       TERMS AND CONDITIONS
+
+  0. Definitions.
+
+  "This License" refers to version 3 of the GNU General Public License.
+
+  "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+  "The Program" refers to any copyrightable work licensed under this
+License.  Each licensee is addressed as "you".  "Licensees" and
+"recipients" may be individuals or organizations.
+
+  To "modify" a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of an
+exact copy.  The resulting work is called a "modified version" of the
+earlier work or a work "based on" the earlier work.
+
+  A "covered work" means either the unmodified Program or a work based
+on the Program.
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+  To "propagate" a work means to do anything with it that, without
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+  If you develop a new program, and you want it to be of the greatest
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+free software which everyone can redistribute and change under these terms.
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+    This program is free software: you can redistribute it and/or modify
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+Also add information on how to contact you by electronic and paper mail.
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+  If the program does terminal interaction, make it output a short
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+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
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+The hypothetical commands `show w' and `show c' should show the appropriate
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+  You should also get your employer (if you work as a programmer) or school,
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+
+  The GNU General Public License does not permit incorporating your program
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+<https://www.gnu.org/licenses/why-not-lgpl.html>.
diff --git a/web/converse/README.md b/web/converse/README.md
new file mode 100644
index 000000000000..e7a3f70aec07
--- /dev/null
+++ b/web/converse/README.md
@@ -0,0 +1,14 @@
+Converse
+========
+
+Welcome to Converse, a work-in-progress forum software written in
+Rust. The intention behind Converse is to provide a simple forum-like
+experience.
+
+There is not a lot of documentation about Converse yet and it has
+several known issues. Also note that Converse is being developed for a
+specific use-case and is not going to be a forum feature kitchen-sink
+like most classical forum softwares.
+
+Better documentation is forthcoming once the remaining basics have
+been taken care of.
diff --git a/web/converse/build.rs b/web/converse/build.rs
new file mode 100644
index 000000000000..89e3e6b1aba9
--- /dev/null
+++ b/web/converse/build.rs
@@ -0,0 +1,5 @@
+extern crate askama;
+
+fn main() {
+    askama::rerun_if_templates_changed();
+}
diff --git a/web/converse/default.nix b/web/converse/default.nix
new file mode 100644
index 000000000000..cc2dab7f88f8
--- /dev/null
+++ b/web/converse/default.nix
@@ -0,0 +1,7 @@
+{ depot, pkgs, ... }:
+
+depot.third_party.naersk.buildPackage {
+  src = ./.;
+  buildInputs = with pkgs; [ openssl postgresql.lib ];
+  nativeBuildInputs = [ pkgs.pkgconfig ];
+}
diff --git a/web/converse/envrc.example b/web/converse/envrc.example
new file mode 100644
index 000000000000..f255d269fec7
--- /dev/null
+++ b/web/converse/envrc.example
@@ -0,0 +1,14 @@
+# This is an example configuration for running converse during
+# development using direnv:
+# https://github.com/direnv/direnv
+#
+# The OIDC actor is configured with bogus values as disabling logins
+# never causes it to run anyways.
+
+export DATABASE_URL=postgres://converse:converse@localhost/converse
+export RUST_LOG=info
+export OIDC_DISCOVERY_URL=https://does.not.matter.com/
+export OIDC_CLIENT_ID=some-client-id
+export OIDC_CLIENT_SECRET='some-client-secret'
+export BASE_URL=http://localhost:4567
+export REQUIRE_LOGIN=false
diff --git a/web/converse/migrations/.gitkeep b/web/converse/migrations/.gitkeep
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/web/converse/migrations/.gitkeep
diff --git a/web/converse/migrations/00000000000000_diesel_initial_setup/down.sql b/web/converse/migrations/00000000000000_diesel_initial_setup/down.sql
new file mode 100644
index 000000000000..a9f526091194
--- /dev/null
+++ b/web/converse/migrations/00000000000000_diesel_initial_setup/down.sql
@@ -0,0 +1,6 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
+DROP FUNCTION IF EXISTS diesel_set_updated_at();
diff --git a/web/converse/migrations/00000000000000_diesel_initial_setup/up.sql b/web/converse/migrations/00000000000000_diesel_initial_setup/up.sql
new file mode 100644
index 000000000000..d68895b1a7b7
--- /dev/null
+++ b/web/converse/migrations/00000000000000_diesel_initial_setup/up.sql
@@ -0,0 +1,36 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+
+
+
+-- Sets up a trigger for the given table to automatically set a column called
+-- `updated_at` whenever the row is modified (unless `updated_at` was included
+-- in the modified columns)
+--
+-- # Example
+--
+-- ```sql
+-- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW());
+--
+-- SELECT diesel_manage_updated_at('users');
+-- ```
+CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
+BEGIN
+    EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
+                    FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
+BEGIN
+    IF (
+        NEW IS DISTINCT FROM OLD AND
+        NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
+    ) THEN
+        NEW.updated_at := current_timestamp;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
diff --git a/web/converse/migrations/2018-04-08-133240_create_posts/down.sql b/web/converse/migrations/2018-04-08-133240_create_posts/down.sql
new file mode 100644
index 000000000000..8ebcef8e131a
--- /dev/null
+++ b/web/converse/migrations/2018-04-08-133240_create_posts/down.sql
@@ -0,0 +1,2 @@
+DROP TABLE posts;
+DROP TABLE threads;
diff --git a/web/converse/migrations/2018-04-08-133240_create_posts/up.sql b/web/converse/migrations/2018-04-08-133240_create_posts/up.sql
new file mode 100644
index 000000000000..7cf601fa2c54
--- /dev/null
+++ b/web/converse/migrations/2018-04-08-133240_create_posts/up.sql
@@ -0,0 +1,13 @@
+CREATE TABLE threads (
+  id SERIAL PRIMARY KEY,
+  title VARCHAR NOT NULL,
+  body TEXT NOT NULL,
+  posted TIMESTAMPTZ NOT NULL
+);
+
+CREATE TABLE posts (
+  id SERIAL PRIMARY KEY,
+  thread SERIAL REFERENCES threads (id),
+  body TEXT NOT NULL,
+  posted TIMESTAMPTZ NOT NULL
+);
diff --git a/web/converse/migrations/2018-04-08-161017_joinable_posts/down.sql b/web/converse/migrations/2018-04-08-161017_joinable_posts/down.sql
new file mode 100644
index 000000000000..cc7874b410ee
--- /dev/null
+++ b/web/converse/migrations/2018-04-08-161017_joinable_posts/down.sql
@@ -0,0 +1 @@
+ALTER TABLE posts RENAME COLUMN thread_id TO thread;
diff --git a/web/converse/migrations/2018-04-08-161017_joinable_posts/up.sql b/web/converse/migrations/2018-04-08-161017_joinable_posts/up.sql
new file mode 100644
index 000000000000..9713de6cfc4b
--- /dev/null
+++ b/web/converse/migrations/2018-04-08-161017_joinable_posts/up.sql
@@ -0,0 +1 @@
+ALTER TABLE posts RENAME COLUMN thread TO thread_id;
diff --git a/web/converse/migrations/2018-04-08-172739_default_posted/down.sql b/web/converse/migrations/2018-04-08-172739_default_posted/down.sql
new file mode 100644
index 000000000000..64dc07e0666a
--- /dev/null
+++ b/web/converse/migrations/2018-04-08-172739_default_posted/down.sql
@@ -0,0 +1,2 @@
+ALTER TABLE threads ALTER COLUMN posted DROP DEFAULT;
+ALTER TABLE posts ALTER COLUMN posted DROP DEFAULT;
diff --git a/web/converse/migrations/2018-04-08-172739_default_posted/up.sql b/web/converse/migrations/2018-04-08-172739_default_posted/up.sql
new file mode 100644
index 000000000000..afca8181cc56
--- /dev/null
+++ b/web/converse/migrations/2018-04-08-172739_default_posted/up.sql
@@ -0,0 +1,2 @@
+ALTER TABLE threads ALTER COLUMN posted SET DEFAULT (NOW() AT TIME ZONE 'UTC');
+ALTER TABLE posts ALTER COLUMN posted SET DEFAULT (NOW() AT TIME ZONE 'UTC');
diff --git a/web/converse/migrations/2018-04-08-182319_add_authors/down.sql b/web/converse/migrations/2018-04-08-182319_add_authors/down.sql
new file mode 100644
index 000000000000..8ad817908065
--- /dev/null
+++ b/web/converse/migrations/2018-04-08-182319_add_authors/down.sql
@@ -0,0 +1,5 @@
+ALTER TABLE threads DROP COLUMN author_name;
+ALTER TABLE threads DROP COLUMN author_email;
+
+ALTER TABLE posts DROP COLUMN author_name;
+ALTER TABLE posts DROP COLUMN author_email;
diff --git a/web/converse/migrations/2018-04-08-182319_add_authors/up.sql b/web/converse/migrations/2018-04-08-182319_add_authors/up.sql
new file mode 100644
index 000000000000..ad5beb9f6785
--- /dev/null
+++ b/web/converse/migrations/2018-04-08-182319_add_authors/up.sql
@@ -0,0 +1,10 @@
+-- This migration adds an 'author' column to the thread & post table.
+-- Authors don't currently exist as independent objects in the
+-- database as most user management is simply delegated to the OIDC
+-- provider.
+
+ALTER TABLE threads ADD COLUMN author_name VARCHAR NOT NULL DEFAULT 'anonymous';
+ALTER TABLE threads ADD COLUMN author_email VARCHAR NOT NULL DEFAULT 'unknown@example.org';
+
+ALTER TABLE posts ADD COLUMN author_name VARCHAR NOT NULL DEFAULT 'anonymous';
+ALTER TABLE posts ADD COLUMN author_email VARCHAR NOT NULL DEFAULT 'unknown@example.org';
diff --git a/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/down.sql b/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/down.sql
new file mode 100644
index 000000000000..bb6528f33d78
--- /dev/null
+++ b/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/down.sql
@@ -0,0 +1 @@
+ALTER TABLE threads ADD COLUMN body TEXT NOT NULL DEFAULT '';
diff --git a/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/up.sql b/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/up.sql
new file mode 100644
index 000000000000..07ff9a1196f6
--- /dev/null
+++ b/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/up.sql
@@ -0,0 +1,6 @@
+-- Instead of storing the thread OP in the thread table, this will
+-- make it a post as well.
+-- At the time at which this migration was created no important data
+-- existed in any converse instances, so data is not moved.
+
+ALTER TABLE threads DROP COLUMN body;
diff --git a/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/down.sql b/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/down.sql
new file mode 100644
index 000000000000..a67ada3d4a57
--- /dev/null
+++ b/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/down.sql
@@ -0,0 +1,2 @@
+DROP VIEW thread_index;
+ALTER TABLE threads DROP COLUMN sticky;
diff --git a/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/up.sql b/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/up.sql
new file mode 100644
index 000000000000..74a559e35d00
--- /dev/null
+++ b/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/up.sql
@@ -0,0 +1,21 @@
+-- Add support for stickies in threads
+ALTER TABLE threads ADD COLUMN sticky BOOLEAN NOT NULL DEFAULT FALSE;
+
+-- CREATE a simple view that returns the list of threads ordered by
+-- the last post that occured in the thread.
+CREATE VIEW thread_index AS
+  SELECT t.id AS thread_id,
+         t.title AS title,
+         t.author_name AS thread_author,
+         t.posted AS created,
+         t.sticky AS sticky,
+         p.id AS post_id,
+         p.author_name AS post_author,
+         p.posted AS posted
+    FROM threads t
+    JOIN (SELECT DISTINCT ON (thread_id)
+           id, thread_id, author_name, posted
+          FROM posts
+          ORDER BY thread_id, id DESC) AS p
+    ON t.id = p.thread_id
+    ORDER BY t.sticky DESC, p.id DESC;
diff --git a/web/converse/migrations/2018-04-14-170750_search-index/down.sql b/web/converse/migrations/2018-04-14-170750_search-index/down.sql
new file mode 100644
index 000000000000..c57e66290201
--- /dev/null
+++ b/web/converse/migrations/2018-04-14-170750_search-index/down.sql
@@ -0,0 +1,2 @@
+DROP INDEX idx_fts_search;
+DROP MATERIALIZED VIEW search_index;
diff --git a/web/converse/migrations/2018-04-14-170750_search-index/up.sql b/web/converse/migrations/2018-04-14-170750_search-index/up.sql
new file mode 100644
index 000000000000..6b7d90eca63c
--- /dev/null
+++ b/web/converse/migrations/2018-04-14-170750_search-index/up.sql
@@ -0,0 +1,21 @@
+-- Prepare a materialised view containing the tsvector data for all
+-- threads and posts. This view is indexed using a GIN-index to enable
+-- performant full-text searches.
+--
+-- For now the query language is hardcoded to be English.
+
+CREATE MATERIALIZED VIEW search_index AS
+  SELECT p.id AS post_id,
+         p.author_name AS author,
+         t.id AS thread_id,
+         t.title AS title,
+         p.body AS body,
+         setweight(to_tsvector('english', t.title), 'B') ||
+         setweight(to_tsvector('english', p.body), 'A') ||
+         setweight(to_tsvector('simple', t.author_name), 'C') ||
+         setweight(to_tsvector('simple', p.author_name), 'C') AS document
+    FROM posts p
+    JOIN threads t
+    ON t.id = p.thread_id;
+
+CREATE INDEX idx_fts_search ON search_index USING gin(document);
diff --git a/web/converse/migrations/2018-05-01-141548_add-users/down.sql b/web/converse/migrations/2018-05-01-141548_add-users/down.sql
new file mode 100644
index 000000000000..61fd222e18cf
--- /dev/null
+++ b/web/converse/migrations/2018-05-01-141548_add-users/down.sql
@@ -0,0 +1,63 @@
+-- First restore the old columns:
+ALTER TABLE threads ADD COLUMN author_name VARCHAR;
+ALTER TABLE threads ADD COLUMN author_email VARCHAR;
+ALTER TABLE posts ADD COLUMN author_name VARCHAR;
+ALTER TABLE posts ADD COLUMN author_email VARCHAR;
+
+-- Then select the data back into them:
+UPDATE threads SET author_name = users.name,
+                   author_email = users.email
+  FROM users
+  WHERE threads.user_id = users.id;
+
+UPDATE posts SET author_name = users.name,
+                 author_email = users.email
+  FROM users
+  WHERE posts.user_id = users.id;
+
+-- add the constraints back:
+ALTER TABLE threads ALTER COLUMN author_name SET NOT NULL;
+ALTER TABLE threads ALTER COLUMN author_email SET NOT NULL;
+ALTER TABLE posts ALTER COLUMN author_name SET NOT NULL;
+ALTER TABLE posts ALTER COLUMN author_email SET NOT NULL;
+
+-- reset the index view:
+CREATE OR REPLACE VIEW thread_index AS
+  SELECT t.id AS thread_id,
+         t.title AS title,
+         t.author_name AS thread_author,
+         t.posted AS created,
+         t.sticky AS sticky,
+         p.id AS post_id,
+         p.author_name AS post_author,
+         p.posted AS posted
+    FROM threads t
+    JOIN (SELECT DISTINCT ON (thread_id)
+           id, thread_id, author_name, posted
+          FROM posts
+          ORDER BY thread_id, id DESC) AS p
+    ON t.id = p.thread_id
+    ORDER BY t.sticky DESC, p.id DESC;
+
+-- reset the search view:
+DROP MATERIALIZED VIEW search_index;
+CREATE MATERIALIZED VIEW search_index AS
+  SELECT p.id AS post_id,
+         p.author_name AS author,
+         t.id AS thread_id,
+         t.title AS title,
+         p.body AS body,
+         setweight(to_tsvector('english', t.title), 'B') ||
+         setweight(to_tsvector('english', p.body), 'A') ||
+         setweight(to_tsvector('simple', t.author_name), 'C') ||
+         setweight(to_tsvector('simple', p.author_name), 'C') AS document
+    FROM posts p
+    JOIN threads t
+    ON t.id = p.thread_id;
+
+CREATE INDEX idx_fts_search ON search_index USING gin(document);
+
+-- and drop the users table and columns:
+ALTER TABLE posts DROP COLUMN user_id;
+ALTER TABLE threads DROP COLUMN user_id;
+DROP TABLE users;
diff --git a/web/converse/migrations/2018-05-01-141548_add-users/up.sql b/web/converse/migrations/2018-05-01-141548_add-users/up.sql
new file mode 100644
index 000000000000..fcb7133e8e41
--- /dev/null
+++ b/web/converse/migrations/2018-05-01-141548_add-users/up.sql
@@ -0,0 +1,83 @@
+-- This query creates a users table and migrates the existing user
+-- information (from the posts table) into it.
+
+CREATE TABLE users (
+  id SERIAL PRIMARY KEY,
+  email VARCHAR NOT NULL UNIQUE,
+  name VARCHAR NOT NULL,
+  admin BOOLEAN NOT NULL DEFAULT false
+);
+
+-- Insert the 'anonymous' user explicitly:
+INSERT INTO users (name, email)
+  VALUES ('Anonymous', 'anonymous@nothing.org');
+
+INSERT INTO users (id, email, name)
+  SELECT nextval('users_id_seq'),
+         author_email AS email,
+         author_name AS name
+  FROM posts
+  WHERE author_email != 'anonymous@nothing.org'
+  GROUP BY name, email;
+
+-- Create the 'user_id' column in the relevant tables (initially
+-- without a not-null constraint) and populate it with the data
+-- selected above:
+ALTER TABLE posts ADD COLUMN user_id INTEGER REFERENCES users (id);
+UPDATE posts SET user_id = users.id
+  FROM users
+  WHERE users.email = posts.author_email;
+
+ALTER TABLE threads ADD COLUMN user_id INTEGER REFERENCES users (id);
+UPDATE threads SET user_id = users.id
+  FROM users
+  WHERE users.email = threads.author_email;
+
+-- Add the constraints:
+ALTER TABLE posts ALTER COLUMN user_id SET NOT NULL;
+ALTER TABLE threads ALTER COLUMN user_id SET NOT NULL;
+
+-- Update the index view:
+CREATE OR REPLACE VIEW thread_index AS
+  SELECT t.id AS thread_id,
+         t.title AS title,
+         ta.name AS thread_author,
+         t.posted AS created,
+         t.sticky AS sticky,
+         p.id AS post_id,
+         pa.name AS post_author,
+         p.posted AS posted
+    FROM threads t
+    JOIN (SELECT DISTINCT ON (thread_id)
+           id, thread_id, user_id, posted
+          FROM posts
+          ORDER BY thread_id, id DESC) AS p
+    ON t.id = p.thread_id
+    JOIN users ta ON ta.id = t.user_id
+    JOIN users pa ON pa.id = p.user_id
+    ORDER BY t.sticky DESC, p.id DESC;
+
+-- Update the search view:
+DROP MATERIALIZED VIEW search_index;
+CREATE MATERIALIZED VIEW search_index AS
+  SELECT p.id AS post_id,
+         pa.name AS author,
+         t.id AS thread_id,
+         t.title AS title,
+         p.body AS body,
+         setweight(to_tsvector('english', t.title), 'B') ||
+         setweight(to_tsvector('english', p.body), 'A') ||
+         setweight(to_tsvector('simple', ta.name), 'C') ||
+         setweight(to_tsvector('simple', pa.name), 'C') AS document
+    FROM posts p
+    JOIN threads t ON t.id = p.thread_id
+    JOIN users ta ON ta.id = t.user_id
+    JOIN users pa ON pa.id = p.user_id;
+
+CREATE INDEX idx_fts_search ON search_index USING gin(document);
+
+-- And drop the old fields:
+ALTER TABLE posts DROP COLUMN author_name;
+ALTER TABLE posts DROP COLUMN author_email;
+ALTER TABLE threads DROP COLUMN author_name;
+ALTER TABLE threads DROP COLUMN author_email;
diff --git a/web/converse/migrations/2018-05-01-183232_simplified-post-view/down.sql b/web/converse/migrations/2018-05-01-183232_simplified-post-view/down.sql
new file mode 100644
index 000000000000..0f14732f3845
--- /dev/null
+++ b/web/converse/migrations/2018-05-01-183232_simplified-post-view/down.sql
@@ -0,0 +1 @@
+DROP VIEW simple_posts;
diff --git a/web/converse/migrations/2018-05-01-183232_simplified-post-view/up.sql b/web/converse/migrations/2018-05-01-183232_simplified-post-view/up.sql
new file mode 100644
index 000000000000..280fef87003e
--- /dev/null
+++ b/web/converse/migrations/2018-05-01-183232_simplified-post-view/up.sql
@@ -0,0 +1,11 @@
+-- Creates a view for listing posts akin to the post table before
+-- splitting out users. This exists to avoid having to do joining
+-- logic and such inside of the application.
+
+CREATE VIEW simple_posts AS
+  SELECT p.id AS id,
+         thread_id, body, posted, user_id,
+         users.name AS author_name,
+         users.email AS author_email
+  FROM posts p
+  JOIN users ON users.id = p.user_id;
diff --git a/web/converse/migrations/2018-05-25-160648_add_closed_column/down.sql b/web/converse/migrations/2018-05-25-160648_add_closed_column/down.sql
new file mode 100644
index 000000000000..fb2a98c0af42
--- /dev/null
+++ b/web/converse/migrations/2018-05-25-160648_add_closed_column/down.sql
@@ -0,0 +1 @@
+ALTER TABLE threads DROP COLUMN closed;
diff --git a/web/converse/migrations/2018-05-25-160648_add_closed_column/up.sql b/web/converse/migrations/2018-05-25-160648_add_closed_column/up.sql
new file mode 100644
index 000000000000..d7d4c44da201
--- /dev/null
+++ b/web/converse/migrations/2018-05-25-160648_add_closed_column/up.sql
@@ -0,0 +1 @@
+ALTER TABLE threads ADD COLUMN closed BOOLEAN NOT NULL DEFAULT false;
diff --git a/web/converse/migrations/2018-05-25-161939_add_closed_to_index/down.sql b/web/converse/migrations/2018-05-25-161939_add_closed_to_index/down.sql
new file mode 100644
index 000000000000..1063fdc88224
--- /dev/null
+++ b/web/converse/migrations/2018-05-25-161939_add_closed_to_index/down.sql
@@ -0,0 +1,30 @@
+-- Update the index view:
+DROP VIEW thread_index;
+CREATE VIEW thread_index AS
+  SELECT t.id AS thread_id,
+         t.title AS title,
+         ta.name AS thread_author,
+         t.posted AS created,
+         t.sticky AS sticky,
+         p.id AS post_id,
+         pa.name AS post_author,
+         p.posted AS posted
+    FROM threads t
+    JOIN (SELECT DISTINCT ON (thread_id)
+           id, thread_id, user_id, posted
+          FROM posts
+          ORDER BY thread_id, id DESC) AS p
+    ON t.id = p.thread_id
+    JOIN users ta ON ta.id = t.user_id
+    JOIN users pa ON pa.id = p.user_id
+    ORDER BY t.sticky DESC, p.id DESC;
+
+-- Update the post view:
+DROP VIEW simple_posts;
+CREATE VIEW simple_posts AS
+  SELECT p.id AS id,
+         thread_id, body, posted, user_id,
+         users.name AS author_name,
+         users.email AS author_email
+  FROM posts p
+  JOIN users ON users.id = p.user_id;
diff --git a/web/converse/migrations/2018-05-25-161939_add_closed_to_index/up.sql b/web/converse/migrations/2018-05-25-161939_add_closed_to_index/up.sql
new file mode 100644
index 000000000000..87580a2f3f9e
--- /dev/null
+++ b/web/converse/migrations/2018-05-25-161939_add_closed_to_index/up.sql
@@ -0,0 +1,35 @@
+-- Update the index view:
+DROP VIEW thread_index;
+CREATE VIEW thread_index AS
+  SELECT t.id AS thread_id,
+         t.title AS title,
+         ta.name AS thread_author,
+         t.posted AS created,
+         t.sticky AS sticky,
+         t.closed AS closed,
+         p.id AS post_id,
+         pa.name AS post_author,
+         p.posted AS posted
+    FROM threads t
+    JOIN (SELECT DISTINCT ON (thread_id)
+           id, thread_id, user_id, posted
+          FROM posts
+          ORDER BY thread_id, id DESC) AS p
+    ON t.id = p.thread_id
+    JOIN users ta ON ta.id = t.user_id
+    JOIN users pa ON pa.id = p.user_id
+    ORDER BY t.sticky DESC, p.id DESC;
+
+-- Update post view:
+DROP VIEW simple_posts;
+CREATE VIEW simple_posts AS
+  SELECT p.id AS id,
+         thread_id, body,
+         p.posted AS posted,
+         p.user_id AS user_id,
+         threads.closed AS closed,
+         users.name AS author_name,
+         users.email AS author_email
+  FROM posts p
+  JOIN users ON users.id = p.user_id
+  JOIN threads ON threads.id = p.thread_id;
diff --git a/web/converse/src/db.rs b/web/converse/src/db.rs
new file mode 100644
index 000000000000..a0d8915504d6
--- /dev/null
+++ b/web/converse/src/db.rs
@@ -0,0 +1,317 @@
+// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su>
+//
+// This file is part of Converse.
+//
+// This program is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see
+// <https://www.gnu.org/licenses/>.
+
+//! This module implements the database executor, which holds the
+//! database connection and performs queries on it.
+
+use crate::errors::{ConverseError, Result};
+use crate::models::*;
+use actix::prelude::*;
+use diesel::prelude::*;
+use diesel::r2d2::{ConnectionManager, Pool};
+use diesel::sql_types::Text;
+use diesel::{self, sql_query};
+
+/// Raw PostgreSQL query used to perform full-text search on posts
+/// with a supplied phrase. For now, the query language is hardcoded
+/// to English and only "plain" queries (i.e. no searches for exact
+/// matches or more advanced query syntax) are supported.
+const SEARCH_QUERY: &'static str = r#"
+WITH search_query (query) AS (VALUES (plainto_tsquery('english', $1)))
+SELECT post_id,
+       thread_id,
+       author,
+       title,
+       ts_headline('english', body, query) AS headline
+  FROM search_index, search_query
+  WHERE document @@ query
+  ORDER BY ts_rank(document, query) DESC
+  LIMIT 50
+"#;
+
+const REFRESH_QUERY: &'static str = "REFRESH MATERIALIZED VIEW search_index";
+
+pub struct DbExecutor(pub Pool<ConnectionManager<PgConnection>>);
+
+impl DbExecutor {
+    /// Request a list of threads.
+    // TODO(tazjin): This should support pagination.
+    pub fn list_threads(&self) -> Result<Vec<ThreadIndex>> {
+        use crate::schema::thread_index::dsl::*;
+
+        let conn = self.0.get()?;
+        let results = thread_index.load::<ThreadIndex>(&conn)?;
+        Ok(results)
+    }
+
+    /// Look up a user based on their email-address. If the user does
+    /// not exist, it is created.
+    pub fn lookup_or_create_user(&self, user_email: &str, user_name: &str) -> Result<User> {
+        use crate::schema::users;
+        use crate::schema::users::dsl::*;
+
+        let conn = self.0.get()?;
+
+        let opt_user = users.filter(email.eq(email)).first(&conn).optional()?;
+
+        if let Some(user) = opt_user {
+            Ok(user)
+        } else {
+            let new_user = NewUser {
+                email: user_email.to_string(),
+                name: user_name.to_string(),
+            };
+
+            let user: User = diesel::insert_into(users::table)
+                .values(&new_user)
+                .get_result(&conn)?;
+
+            info!("Created new user {} with ID {}", new_user.email, user.id);
+
+            Ok(user)
+        }
+    }
+
+    /// Fetch a specific thread and return it with its posts.
+    pub fn get_thread(&self, thread_id: i32) -> Result<(Thread, Vec<SimplePost>)> {
+        use crate::schema::simple_posts::dsl::id;
+        use crate::schema::threads::dsl::*;
+
+        let conn = self.0.get()?;
+        let thread_result: Thread = threads.find(thread_id).first(&conn)?;
+
+        let post_list = SimplePost::belonging_to(&thread_result)
+            .order_by(id.asc())
+            .load::<SimplePost>(&conn)?;
+
+        Ok((thread_result, post_list))
+    }
+
+    /// Fetch a specific post.
+    pub fn get_post(&self, post_id: i32) -> Result<SimplePost> {
+        use crate::schema::simple_posts::dsl::*;
+        let conn = self.0.get()?;
+        Ok(simple_posts.find(post_id).first(&conn)?)
+    }
+
+    /// Update the content of a post.
+    pub fn update_post(&self, post_id: i32, post_text: String) -> Result<Post> {
+        use crate::schema::posts::dsl::*;
+        let conn = self.0.get()?;
+        let updated = diesel::update(posts.find(post_id))
+            .set(body.eq(post_text))
+            .get_result(&conn)?;
+
+        Ok(updated)
+    }
+
+    /// Create a new thread.
+    pub fn create_thread(&self, new_thread: NewThread, post_text: String) -> Result<Thread> {
+        use crate::schema::{posts, threads};
+
+        let conn = self.0.get()?;
+
+        conn.transaction::<Thread, ConverseError, _>(|| {
+            // First insert the thread structure itself
+            let thread: Thread = diesel::insert_into(threads::table)
+                .values(&new_thread)
+                .get_result(&conn)?;
+
+            // ... then create the first post in the thread.
+            let new_post = NewPost {
+                thread_id: thread.id,
+                body: post_text,
+                user_id: new_thread.user_id,
+            };
+
+            diesel::insert_into(posts::table)
+                .values(&new_post)
+                .execute(&conn)?;
+
+            Ok(thread)
+        })
+    }
+
+    /// Create a new post.
+    pub fn create_post(&self, new_post: NewPost) -> Result<Post> {
+        use crate::schema::posts;
+
+        let conn = self.0.get()?;
+
+        let closed: bool = {
+            use crate::schema::threads::dsl::*;
+            threads
+                .select(closed)
+                .find(new_post.thread_id)
+                .first(&conn)?
+        };
+
+        if closed {
+            return Err(ConverseError::ThreadClosed {
+                id: new_post.thread_id,
+            });
+        }
+
+        Ok(diesel::insert_into(posts::table)
+            .values(&new_post)
+            .get_result(&conn)?)
+    }
+
+    /// Search for posts.
+    pub fn search_posts(&self, query: String) -> Result<Vec<SearchResult>> {
+        let conn = self.0.get()?;
+
+        let search_results = sql_query(SEARCH_QUERY)
+            .bind::<Text, _>(query)
+            .get_results::<SearchResult>(&conn)?;
+
+        Ok(search_results)
+    }
+
+    /// Trigger a refresh of the view used for full-text searching.
+    pub fn refresh_search_view(&self) -> Result<()> {
+        let conn = self.0.get()?;
+        debug!("Refreshing search_index view in DB");
+        sql_query(REFRESH_QUERY).execute(&conn)?;
+        Ok(())
+    }
+}
+
+// Old actor implementation:
+
+impl Actor for DbExecutor {
+    type Context = SyncContext<Self>;
+}
+
+/// Message used to look up a user based on their email-address. If
+/// the user does not exist, it is created.
+pub struct LookupOrCreateUser {
+    pub email: String,
+    pub name: String,
+}
+
+message!(LookupOrCreateUser, Result<User>);
+
+impl Handler<LookupOrCreateUser> for DbExecutor {
+    type Result = <LookupOrCreateUser as Message>::Result;
+
+    fn handle(&mut self, _: LookupOrCreateUser, _: &mut Self::Context) -> Self::Result {
+        unimplemented!()
+    }
+}
+
+/// Message used to fetch a specific thread. Returns the thread and
+/// its posts.
+pub struct GetThread(pub i32);
+message!(GetThread, Result<(Thread, Vec<SimplePost>)>);
+
+impl Handler<GetThread> for DbExecutor {
+    type Result = <GetThread as Message>::Result;
+
+    fn handle(&mut self, _: GetThread, _: &mut Self::Context) -> Self::Result {
+        unimplemented!()
+    }
+}
+
+/// Message used to fetch a specific post.
+#[derive(Deserialize, Debug)]
+pub struct GetPost {
+    pub id: i32,
+}
+
+message!(GetPost, Result<SimplePost>);
+
+impl Handler<GetPost> for DbExecutor {
+    type Result = <GetPost as Message>::Result;
+
+    fn handle(&mut self, _: GetPost, _: &mut Self::Context) -> Self::Result {
+        unimplemented!()
+    }
+}
+
+/// Message used to update the content of a post.
+#[derive(Deserialize)]
+pub struct UpdatePost {
+    pub post_id: i32,
+    pub post: String,
+}
+
+message!(UpdatePost, Result<Post>);
+
+impl Handler<UpdatePost> for DbExecutor {
+    type Result = Result<Post>;
+
+    fn handle(&mut self, _: UpdatePost, _: &mut Self::Context) -> Self::Result {
+        unimplemented!()
+    }
+}
+
+/// Message used to create a new thread
+pub struct CreateThread {
+    pub new_thread: NewThread,
+    pub post: String,
+}
+message!(CreateThread, Result<Thread>);
+
+impl Handler<CreateThread> for DbExecutor {
+    type Result = <CreateThread as Message>::Result;
+
+    fn handle(&mut self, _: CreateThread, _: &mut Self::Context) -> Self::Result {
+        unimplemented!()
+    }
+}
+
+/// Message used to create a new reply
+pub struct CreatePost(pub NewPost);
+message!(CreatePost, Result<Post>);
+
+impl Handler<CreatePost> for DbExecutor {
+    type Result = <CreatePost as Message>::Result;
+
+    fn handle(&mut self, _: CreatePost, _: &mut Self::Context) -> Self::Result {
+        unimplemented!()
+    }
+}
+
+/// Message used to search for posts
+#[derive(Deserialize)]
+pub struct SearchPosts {
+    pub query: String,
+}
+message!(SearchPosts, Result<Vec<SearchResult>>);
+
+impl Handler<SearchPosts> for DbExecutor {
+    type Result = <SearchPosts as Message>::Result;
+
+    fn handle(&mut self, _: SearchPosts, _: &mut Self::Context) -> Self::Result {
+        unimplemented!()
+    }
+}
+
+/// Message that triggers a refresh of the view used for full-text
+/// searching.
+pub struct RefreshSearchView;
+message!(RefreshSearchView, Result<()>);
+
+impl Handler<RefreshSearchView> for DbExecutor {
+    type Result = Result<()>;
+
+    fn handle(&mut self, _: RefreshSearchView, _: &mut Self::Context) -> Self::Result {
+        unimplemented!()
+    }
+}
diff --git a/web/converse/src/errors.rs b/web/converse/src/errors.rs
new file mode 100644
index 000000000000..a4bd69023b8b
--- /dev/null
+++ b/web/converse/src/errors.rs
@@ -0,0 +1,139 @@
+// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su>
+//
+// This file is part of Converse.
+//
+// This program is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see
+// <https://www.gnu.org/licenses/>.
+
+//! This module defines custom error types using the `failure`-crate.
+//! Links to foreign error types (such as database connection errors)
+//! are established in a similar way as was tradition in
+//! `error_chain`, albeit manually.
+
+use actix_web::http::StatusCode;
+use actix_web::{HttpResponse, ResponseError};
+use std::result;
+
+// Modules with foreign errors:
+use {actix, actix_web, askama, diesel, r2d2, tokio_timer};
+
+pub type Result<T> = result::Result<T, ConverseError>;
+pub type ConverseResult<T> = result::Result<T, ConverseError>;
+
+#[derive(Debug, Fail)]
+pub enum ConverseError {
+    #[fail(display = "an internal Converse error occured: {}", reason)]
+    InternalError { reason: String },
+
+    #[fail(display = "a database error occured: {}", error)]
+    Database { error: diesel::result::Error },
+
+    #[fail(display = "a database connection pool error occured: {}", error)]
+    ConnectionPool { error: r2d2::Error },
+
+    #[fail(display = "a template rendering error occured: {}", reason)]
+    Template { reason: String },
+
+    #[fail(display = "error occured during request handling: {}", error)]
+    ActixWeb { error: actix_web::Error },
+
+    #[fail(display = "error occured running timer: {}", error)]
+    Timer { error: tokio_timer::Error },
+
+    #[fail(display = "user {} does not have permission to edit post {}", user, id)]
+    PostEditForbidden { user: i32, id: i32 },
+
+    #[fail(display = "thread {} is closed and can not be responded to", id)]
+    ThreadClosed { id: i32 },
+
+    #[fail(display = "JSON serialisation failed: {}", error)]
+    Serialisation { error: serde_json::Error },
+
+    // This variant is used as a catch-all for wrapping
+    // actix-web-compatible response errors, such as the errors it
+    // throws itself.
+    #[fail(display = "Actix response error: {}", error)]
+    Actix { error: Box<dyn ResponseError> },
+}
+
+// Establish conversion links to foreign errors:
+
+impl From<diesel::result::Error> for ConverseError {
+    fn from(error: diesel::result::Error) -> ConverseError {
+        ConverseError::Database { error }
+    }
+}
+
+impl From<r2d2::Error> for ConverseError {
+    fn from(error: r2d2::Error) -> ConverseError {
+        ConverseError::ConnectionPool { error }
+    }
+}
+
+impl From<askama::Error> for ConverseError {
+    fn from(error: askama::Error) -> ConverseError {
+        ConverseError::Template {
+            reason: format!("{}", error),
+        }
+    }
+}
+
+impl From<actix::MailboxError> for ConverseError {
+    fn from(error: actix::MailboxError) -> ConverseError {
+        ConverseError::Actix {
+            error: Box::new(error),
+        }
+    }
+}
+
+impl From<actix_web::Error> for ConverseError {
+    fn from(error: actix_web::Error) -> ConverseError {
+        ConverseError::ActixWeb { error }
+    }
+}
+
+impl From<serde_json::Error> for ConverseError {
+    fn from(error: serde_json::Error) -> ConverseError {
+        ConverseError::Serialisation { error }
+    }
+}
+
+impl From<curl::Error> for ConverseError {
+    fn from(error: curl::Error) -> ConverseError {
+        ConverseError::InternalError {
+            reason: format!("error during HTTP request: {}", error),
+        }
+    }
+}
+
+impl From<tokio_timer::Error> for ConverseError {
+    fn from(error: tokio_timer::Error) -> ConverseError {
+        ConverseError::Timer { error }
+    }
+}
+
+// Support conversion of error type into HTTP error responses:
+
+impl ResponseError for ConverseError {
+    fn error_response(&self) -> HttpResponse {
+        // Everything is mapped to internal server errors for now.
+        match *self {
+            ConverseError::ThreadClosed { id } => HttpResponse::SeeOther()
+                .header("Location", format!("/thread/{}#post-reply", id))
+                .finish(),
+            _ => HttpResponse::build(StatusCode::INTERNAL_SERVER_ERROR)
+                .body(format!("An error occured: {}", self)),
+        }
+    }
+}
diff --git a/web/converse/src/handlers.rs b/web/converse/src/handlers.rs
new file mode 100644
index 000000000000..49f9dcf9745f
--- /dev/null
+++ b/web/converse/src/handlers.rs
@@ -0,0 +1,391 @@
+// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su>
+//
+// This file is part of Converse.
+//
+// This program is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see
+// <https://www.gnu.org/licenses/>.
+
+//! This module contains the implementation of converse's actix-web
+//! HTTP handlers.
+//!
+//! Most handlers have an associated rendering function using one of
+//! the tera templates stored in the `/templates` directory in the
+//! project root.
+
+use crate::db::*;
+use crate::errors::{ConverseError, ConverseResult};
+use crate::models::*;
+use crate::oidc::*;
+use crate::render::*;
+use actix::prelude::*;
+use actix_web;
+use actix_web::http::Method;
+use actix_web::middleware::identity::RequestIdentity;
+use actix_web::middleware::{Middleware, Started};
+use actix_web::*;
+use futures::Future;
+
+use rouille::{Request, Response};
+
+type ConverseResponse = Box<dyn Future<Item = HttpResponse, Error = ConverseError>>;
+
+const HTML: &'static str = "text/html";
+const ANONYMOUS: i32 = 1;
+const NEW_THREAD_LENGTH_ERR: &'static str = "Title and body can not be empty!";
+
+/// Represents the state carried by the web server actors.
+pub struct AppState {
+    /// Address of the database actor
+    pub db: Addr<DbExecutor>,
+
+    /// Address of the OIDC actor
+    pub oidc: Addr<OidcExecutor>,
+
+    /// Address of the rendering actor
+    pub renderer: Addr<Renderer>,
+}
+
+/// Serve the forum's index page.
+pub fn forum_index_rouille(db: &DbExecutor) -> ConverseResult<Response> {
+    let threads = db.list_threads()?;
+    Ok(Response::html(index_page(threads)?))
+}
+
+pub fn forum_index(_: State<AppState>) -> ConverseResponse {
+    unimplemented!()
+}
+
+/// Returns the ID of the currently logged in user. If there is no ID
+/// present, the ID of the anonymous user will be returned.
+pub fn get_user_id(req: &HttpRequest<AppState>) -> i32 {
+    if let Some(id) = req.identity() {
+        // If this .expect() call is triggered, someone is likely
+        // attempting to mess with their cookies. These requests can
+        // be allowed to fail without further ado.
+        id.parse().expect("Session cookie contained invalid data!")
+    } else {
+        ANONYMOUS
+    }
+}
+
+pub fn get_user_id_rouille(_req: &Request) -> i32 {
+    // TODO(tazjin): Implement session support in rouille somehow.
+    ANONYMOUS
+}
+
+pub fn forum_thread_rouille(
+    req: &Request,
+    db: &DbExecutor,
+    thread_id: i32,
+) -> ConverseResult<Response> {
+    let user = get_user_id_rouille(&req);
+    let thread = db.get_thread(thread_id)?;
+    Ok(Response::html(thread_page(user, thread.0, thread.1)?))
+}
+
+/// This handler retrieves and displays a single forum thread.
+pub fn forum_thread(
+    _: State<AppState>,
+    _: HttpRequest<AppState>,
+    _: Path<i32>,
+) -> ConverseResponse {
+    unimplemented!()
+}
+
+/// This handler presents the user with the "New Thread" form.
+pub fn new_thread(state: State<AppState>) -> ConverseResponse {
+    state
+        .renderer
+        .send(NewThreadPage::default())
+        .flatten()
+        .map(|res| HttpResponse::Ok().content_type(HTML).body(res))
+        .responder()
+}
+
+#[derive(Deserialize)]
+pub struct NewThreadForm {
+    pub title: String,
+    pub post: String,
+}
+
+/// This handler receives a "New thread"-form and redirects the user
+/// to the new thread after creation.
+pub fn submit_thread(
+    (state, input, req): (State<AppState>, Form<NewThreadForm>, HttpRequest<AppState>),
+) -> ConverseResponse {
+    // Trim whitespace out of inputs:
+    let input = NewThreadForm {
+        title: input.title.trim().into(),
+        post: input.post.trim().into(),
+    };
+
+    // Perform simple validation and abort here if it fails:
+    if input.title.is_empty() || input.post.is_empty() {
+        return state
+            .renderer
+            .send(NewThreadPage {
+                alerts: vec![NEW_THREAD_LENGTH_ERR],
+                title: Some(input.title),
+                post: Some(input.post),
+            })
+            .flatten()
+            .map(|res| HttpResponse::Ok().content_type(HTML).body(res))
+            .responder();
+    }
+
+    let user_id = get_user_id(&req);
+
+    let new_thread = NewThread {
+        user_id,
+        title: input.title,
+    };
+
+    let msg = CreateThread {
+        new_thread,
+        post: input.post,
+    };
+
+    state
+        .db
+        .send(msg)
+        .from_err()
+        .and_then(move |res| {
+            let thread = res?;
+            info!(
+                "Created new thread \"{}\" with ID {}",
+                thread.title, thread.id
+            );
+            Ok(HttpResponse::SeeOther()
+                .header("Location", format!("/thread/{}", thread.id))
+                .finish())
+        })
+        .responder()
+}
+
+#[derive(Deserialize)]
+pub struct NewPostForm {
+    pub thread_id: i32,
+    pub post: String,
+}
+
+/// This handler receives a "Reply"-form and redirects the user to the
+/// new post after creation.
+pub fn reply_thread(
+    state: State<AppState>,
+    input: Form<NewPostForm>,
+    req: HttpRequest<AppState>,
+) -> ConverseResponse {
+    let user_id = get_user_id(&req);
+
+    let new_post = NewPost {
+        user_id,
+        thread_id: input.thread_id,
+        body: input.post.trim().into(),
+    };
+
+    state
+        .db
+        .send(CreatePost(new_post))
+        .flatten()
+        .from_err()
+        .and_then(move |post| {
+            info!("Posted reply {} to thread {}", post.id, post.thread_id);
+            Ok(HttpResponse::SeeOther()
+                .header(
+                    "Location",
+                    format!("/thread/{}#post-{}", post.thread_id, post.id),
+                )
+                .finish())
+        })
+        .responder()
+}
+
+/// This handler presents the user with the form to edit a post. If
+/// the user attempts to edit a post that they do not have access to,
+/// they are currently ungracefully redirected back to the post
+/// itself.
+pub fn edit_form(
+    state: State<AppState>,
+    req: HttpRequest<AppState>,
+    query: Path<GetPost>,
+) -> ConverseResponse {
+    let user_id = get_user_id(&req);
+
+    state
+        .db
+        .send(query.into_inner())
+        .flatten()
+        .from_err()
+        .and_then(move |post| {
+            if user_id != 1 && post.user_id == user_id {
+                return Ok(post);
+            }
+
+            Err(ConverseError::PostEditForbidden {
+                user: user_id,
+                id: post.id,
+            })
+        })
+        .and_then(move |post| {
+            let edit_msg = EditPostPage {
+                id: post.id,
+                post: post.body,
+            };
+
+            state.renderer.send(edit_msg).from_err()
+        })
+        .flatten()
+        .map(|page| HttpResponse::Ok().content_type(HTML).body(page))
+        .responder()
+}
+
+/// This handler "executes" an edit to a post if the current user owns
+/// the edited post.
+pub fn edit_post(
+    state: State<AppState>,
+    req: HttpRequest<AppState>,
+    update: Form<UpdatePost>,
+) -> ConverseResponse {
+    let user_id = get_user_id(&req);
+
+    state
+        .db
+        .send(GetPost { id: update.post_id })
+        .flatten()
+        .from_err()
+        .and_then(move |post| {
+            if user_id != 1 && post.user_id == user_id {
+                Ok(())
+            } else {
+                Err(ConverseError::PostEditForbidden {
+                    user: user_id,
+                    id: post.id,
+                })
+            }
+        })
+        .and_then(move |_| state.db.send(update.0).from_err())
+        .flatten()
+        .map(|updated| {
+            HttpResponse::SeeOther()
+                .header(
+                    "Location",
+                    format!("/thread/{}#post-{}", updated.thread_id, updated.id),
+                )
+                .finish()
+        })
+        .responder()
+}
+
+/// This handler executes a full-text search on the forum database and
+/// displays the results to the user.
+pub fn search_forum(state: State<AppState>, query: Query<SearchPosts>) -> ConverseResponse {
+    let query_string = query.query.clone();
+    state
+        .db
+        .send(query.into_inner())
+        .flatten()
+        .and_then(move |results| {
+            state
+                .renderer
+                .send(SearchResultPage {
+                    results,
+                    query: query_string,
+                })
+                .from_err()
+        })
+        .flatten()
+        .map(|res| HttpResponse::Ok().content_type(HTML).body(res))
+        .responder()
+}
+
+/// This handler initiates an OIDC login.
+pub fn login(state: State<AppState>) -> ConverseResponse {
+    state
+        .oidc
+        .send(GetLoginUrl)
+        .from_err()
+        .and_then(|url| {
+            Ok(HttpResponse::TemporaryRedirect()
+                .header("Location", url)
+                .finish())
+        })
+        .responder()
+}
+
+/// This handler handles an OIDC callback (i.e. completed login).
+///
+/// Upon receiving the callback, a token is retrieved from the OIDC
+/// provider and a user lookup is performed. If a user with a matching
+/// email-address is found in the database, it is logged in -
+/// otherwise a new user is created.
+pub fn callback(
+    state: State<AppState>,
+    data: Form<CodeResponse>,
+    req: HttpRequest<AppState>,
+) -> ConverseResponse {
+    state
+        .oidc
+        .send(RetrieveToken(data.0))
+        .flatten()
+        .map(|author| LookupOrCreateUser {
+            email: author.email,
+            name: author.name,
+        })
+        .and_then(move |msg| state.db.send(msg).from_err())
+        .flatten()
+        .and_then(move |user| {
+            info!("Completed login for user {} ({})", user.email, user.id);
+            req.remember(user.id.to_string());
+            Ok(HttpResponse::SeeOther().header("Location", "/").finish())
+        })
+        .responder()
+}
+
+/// This is an extension trait to enable easy serving of embedded
+/// static content.
+///
+/// It is intended to be called with `include_bytes!()` when setting
+/// up the actix-web application.
+pub trait EmbeddedFile {
+    fn static_file(self, path: &'static str, content: &'static [u8]) -> Self;
+}
+
+impl EmbeddedFile for App<AppState> {
+    fn static_file(self, path: &'static str, content: &'static [u8]) -> Self {
+        self.route(path, Method::GET, move |_: HttpRequest<_>| {
+            let mime = format!("{}", mime_guess::from_path(path).first_or_octet_stream());
+            HttpResponse::Ok().content_type(mime.as_str()).body(content)
+        })
+    }
+}
+
+/// Middleware used to enforce logins unceremoniously.
+pub struct RequireLogin;
+
+impl<S> Middleware<S> for RequireLogin {
+    fn start(&self, req: &HttpRequest<S>) -> actix_web::Result<Started> {
+        let logged_in = req.identity().is_some();
+        let is_oidc_req = req.path().starts_with("/oidc");
+
+        if !is_oidc_req && !logged_in {
+            Ok(Started::Response(
+                HttpResponse::SeeOther()
+                    .header("Location", "/oidc/login")
+                    .finish(),
+            ))
+        } else {
+            Ok(Started::Done)
+        }
+    }
+}
diff --git a/web/converse/src/main.rs b/web/converse/src/main.rs
new file mode 100644
index 000000000000..78d0241600b4
--- /dev/null
+++ b/web/converse/src/main.rs
@@ -0,0 +1,239 @@
+// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su>
+//
+// This file is part of Converse.
+//
+// This program is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see
+// <https://www.gnu.org/licenses/>.
+
+extern crate askama;
+
+#[macro_use]
+extern crate diesel;
+
+#[macro_use]
+extern crate failure;
+
+#[macro_use]
+extern crate log;
+
+#[macro_use]
+extern crate serde_derive;
+
+extern crate actix;
+extern crate actix_web;
+extern crate chrono;
+extern crate comrak;
+extern crate crimp;
+extern crate curl;
+extern crate env_logger;
+extern crate futures;
+extern crate hyper;
+extern crate md5;
+extern crate mime_guess;
+extern crate r2d2;
+extern crate rand;
+extern crate rouille;
+extern crate serde;
+extern crate serde_json;
+extern crate tokio;
+extern crate tokio_timer;
+extern crate url;
+extern crate url_serde;
+
+/// Simple macro used to reduce boilerplate when defining actor
+/// message types.
+macro_rules! message {
+    ( $t:ty, $r:ty ) => {
+        impl Message for $t {
+            type Result = $r;
+        }
+    };
+}
+
+pub mod db;
+pub mod errors;
+pub mod handlers;
+pub mod models;
+pub mod oidc;
+pub mod render;
+pub mod schema;
+
+use crate::db::*;
+use crate::handlers::*;
+use crate::oidc::OidcExecutor;
+use crate::render::Renderer;
+use actix::prelude::*;
+use actix_web::http::Method;
+use actix_web::middleware::identity::{CookieIdentityPolicy, IdentityService};
+use actix_web::middleware::Logger;
+use actix_web::*;
+use diesel::pg::PgConnection;
+use diesel::r2d2::{ConnectionManager, Pool};
+use rand::{OsRng, Rng};
+use std::env;
+
+fn config(name: &str) -> String {
+    env::var(name).expect(&format!("{} must be set", name))
+}
+
+fn config_default(name: &str, default: &str) -> String {
+    env::var(name).unwrap_or(default.into())
+}
+
+fn start_db_executor() -> Addr<DbExecutor> {
+    info!("Initialising database connection pool ...");
+    let db_url = config("DATABASE_URL");
+
+    let manager = ConnectionManager::<PgConnection>::new(db_url);
+    let pool = Pool::builder()
+        .build(manager)
+        .expect("Failed to initialise DB pool");
+
+    SyncArbiter::start(2, move || DbExecutor(pool.clone()))
+}
+
+fn schedule_search_refresh(db: Addr<DbExecutor>) {
+    use std::thread;
+    use std::time::{Duration, Instant};
+    use tokio::prelude::*;
+    use tokio::timer::Interval;
+
+    let task = Interval::new(Instant::now(), Duration::from_secs(60))
+        .from_err()
+        .for_each(move |_| db.send(db::RefreshSearchView).flatten())
+        .map_err(|err| error!("Error while updating search view: {}", err));
+
+    thread::spawn(|| tokio::run(task));
+}
+
+fn start_oidc_executor(base_url: &str) -> Addr<OidcExecutor> {
+    info!("Initialising OIDC integration ...");
+    let oidc_url = config("OIDC_DISCOVERY_URL");
+    let oidc_config =
+        oidc::load_oidc(&oidc_url).expect("Failed to retrieve OIDC discovery document");
+
+    let oidc = oidc::OidcExecutor {
+        oidc_config,
+        client_id: config("OIDC_CLIENT_ID"),
+        client_secret: config("OIDC_CLIENT_SECRET"),
+        redirect_uri: format!("{}/oidc/callback", base_url),
+    };
+
+    oidc.start()
+}
+
+fn start_renderer() -> Addr<Renderer> {
+    let comrak = comrak::ComrakOptions {
+        github_pre_lang: true,
+        ext_strikethrough: true,
+        ext_table: true,
+        ext_autolink: true,
+        ext_tasklist: true,
+        ext_footnotes: true,
+        ext_tagfilter: true,
+        ..Default::default()
+    };
+
+    Renderer { comrak }.start()
+}
+
+fn gen_session_key() -> [u8; 64] {
+    let mut key_bytes = [0; 64];
+    let mut rng = OsRng::new().expect("Failed to retrieve RNG for key generation");
+    rng.fill_bytes(&mut key_bytes);
+
+    key_bytes
+}
+
+fn start_http_server(
+    base_url: String,
+    db_addr: Addr<DbExecutor>,
+    oidc_addr: Addr<OidcExecutor>,
+    renderer_addr: Addr<Renderer>,
+) {
+    info!("Initialising HTTP server ...");
+    let bind_host = config_default("CONVERSE_BIND_HOST", "127.0.0.1:4567");
+    let key = gen_session_key();
+    let require_login = config_default("REQUIRE_LOGIN", "true".into()) == "true";
+
+    server::new(move || {
+        let state = AppState {
+            db: db_addr.clone(),
+            oidc: oidc_addr.clone(),
+            renderer: renderer_addr.clone(),
+        };
+
+        let identity = IdentityService::new(
+            CookieIdentityPolicy::new(&key)
+                .name("converse_auth")
+                .path("/")
+                .secure(base_url.starts_with("https")),
+        );
+
+        let app = App::with_state(state)
+            .middleware(Logger::default())
+            .middleware(identity)
+            .resource("/", |r| r.method(Method::GET).with(forum_index))
+            .resource("/thread/new", |r| r.method(Method::GET).with(new_thread))
+            .resource("/thread/submit", |r| {
+                r.method(Method::POST).with(submit_thread)
+            })
+            .resource("/thread/reply", |r| {
+                r.method(Method::POST).with(reply_thread)
+            })
+            .resource("/thread/{id}", |r| r.method(Method::GET).with(forum_thread))
+            .resource("/post/{id}/edit", |r| r.method(Method::GET).with(edit_form))
+            .resource("/post/edit", |r| r.method(Method::POST).with(edit_post))
+            .resource("/search", |r| r.method(Method::GET).with(search_forum))
+            .resource("/oidc/login", |r| r.method(Method::GET).with(login))
+            .resource("/oidc/callback", |r| r.method(Method::POST).with(callback))
+            .static_file(
+                "/static/highlight.css",
+                include_bytes!("../static/highlight.css"),
+            )
+            .static_file(
+                "/static/highlight.js",
+                include_bytes!("../static/highlight.js"),
+            )
+            .static_file("/static/styles.css", include_bytes!("../static/styles.css"));
+
+        if require_login {
+            app.middleware(RequireLogin)
+        } else {
+            app
+        }
+    })
+    .bind(&bind_host)
+    .expect(&format!("Could not bind on '{}'", bind_host))
+    .start();
+}
+
+fn main() {
+    env_logger::init();
+
+    info!("Welcome to Converse! Hold on tight while we're getting ready.");
+    let sys = actix::System::new("converse");
+
+    let base_url = config("BASE_URL");
+
+    let db_addr = start_db_executor();
+    let oidc_addr = start_oidc_executor(&base_url);
+    let renderer_addr = start_renderer();
+
+    schedule_search_refresh(db_addr.clone());
+
+    start_http_server(base_url, db_addr, oidc_addr, renderer_addr);
+
+    sys.run();
+}
diff --git a/web/converse/src/models.rs b/web/converse/src/models.rs
new file mode 100644
index 000000000000..63b15fbed061
--- /dev/null
+++ b/web/converse/src/models.rs
@@ -0,0 +1,127 @@
+// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su>
+//
+// This file is part of Converse.
+//
+// This program is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see
+// <https://www.gnu.org/licenses/>.
+
+use crate::schema::{posts, simple_posts, threads, users};
+use chrono::prelude::{DateTime, Utc};
+use diesel::sql_types::{Integer, Text};
+
+/// Represents a single user in the Converse database. Converse does
+/// not handle logins itself, but rather looks them up based on the
+/// email address received from an OIDC provider.
+#[derive(Identifiable, Queryable, Serialize)]
+pub struct User {
+    pub id: i32,
+    pub name: String,
+    pub email: String,
+    pub admin: bool,
+}
+
+#[derive(Identifiable, Queryable, Serialize, Associations)]
+#[belongs_to(User)]
+pub struct Thread {
+    pub id: i32,
+    pub title: String,
+    pub posted: DateTime<Utc>,
+    pub sticky: bool,
+    pub user_id: i32,
+    pub closed: bool,
+}
+
+#[derive(Identifiable, Queryable, Serialize, Associations)]
+#[belongs_to(Thread)]
+#[belongs_to(User)]
+pub struct Post {
+    pub id: i32,
+    pub thread_id: i32,
+    pub body: String,
+    pub posted: DateTime<Utc>,
+    pub user_id: i32,
+}
+
+/// This struct is used as the query result type for the simplified
+/// post view, which already joins user information in the database.
+#[derive(Identifiable, Queryable, Serialize, Associations)]
+#[belongs_to(Thread)]
+pub struct SimplePost {
+    pub id: i32,
+    pub thread_id: i32,
+    pub body: String,
+    pub posted: DateTime<Utc>,
+    pub user_id: i32,
+    pub closed: bool,
+    pub author_name: String,
+    pub author_email: String,
+}
+
+/// This struct is used as the query result type for the thread index
+/// view, which lists the index of threads ordered by the last post in
+/// each thread.
+#[derive(Queryable, Serialize)]
+pub struct ThreadIndex {
+    pub thread_id: i32,
+    pub title: String,
+    pub thread_author: String,
+    pub created: DateTime<Utc>,
+    pub sticky: bool,
+    pub closed: bool,
+    pub post_id: i32,
+    pub post_author: String,
+    pub posted: DateTime<Utc>,
+}
+
+#[derive(Deserialize, Insertable)]
+#[table_name = "threads"]
+pub struct NewThread {
+    pub title: String,
+    pub user_id: i32,
+}
+
+#[derive(Deserialize, Insertable)]
+#[table_name = "users"]
+pub struct NewUser {
+    pub email: String,
+    pub name: String,
+}
+
+#[derive(Deserialize, Insertable)]
+#[table_name = "posts"]
+pub struct NewPost {
+    pub thread_id: i32,
+    pub body: String,
+    pub user_id: i32,
+}
+
+/// This struct models the response of a full-text search query. It
+/// does not use a table/schema definition struct like the other
+/// tables, as no table of this type actually exists.
+#[derive(QueryableByName, Debug, Serialize)]
+pub struct SearchResult {
+    #[sql_type = "Integer"]
+    pub post_id: i32,
+    #[sql_type = "Integer"]
+    pub thread_id: i32,
+    #[sql_type = "Text"]
+    pub author: String,
+    #[sql_type = "Text"]
+    pub title: String,
+
+    /// Headline represents the result of Postgres' ts_headline()
+    /// function, which highlights search terms in the search results.
+    #[sql_type = "Text"]
+    pub headline: String,
+}
diff --git a/web/converse/src/oidc.rs b/web/converse/src/oidc.rs
new file mode 100644
index 000000000000..75e3eabc88f2
--- /dev/null
+++ b/web/converse/src/oidc.rs
@@ -0,0 +1,170 @@
+// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su>
+//
+// This file is part of Converse.
+//
+// This program is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see
+// <https://www.gnu.org/licenses/>.
+
+//! This module provides authentication via OIDC compliant
+//! authentication sources.
+//!
+//! Currently Converse only supports a single OIDC provider. Note that
+//! this has so far only been tested with Office365.
+
+use crate::errors::*;
+use actix::prelude::*;
+use crimp::Request;
+use curl::easy::Form;
+use url::Url;
+use url_serde;
+
+/// This structure represents the contents of an OIDC discovery
+/// document.
+#[derive(Deserialize, Debug, Clone)]
+pub struct OidcConfig {
+    #[serde(with = "url_serde")]
+    authorization_endpoint: Url,
+    token_endpoint: String,
+    userinfo_endpoint: String,
+
+    scopes_supported: Vec<String>,
+    issuer: String,
+}
+
+#[derive(Clone, Debug)]
+pub struct OidcExecutor {
+    pub client_id: String,
+    pub client_secret: String,
+    pub redirect_uri: String,
+    pub oidc_config: OidcConfig,
+}
+
+/// This struct represents the form response returned by an OIDC
+/// provider with the `code`.
+#[derive(Debug, Deserialize)]
+pub struct CodeResponse {
+    pub code: String,
+}
+
+/// This struct represents the data extracted from the ID token and
+/// stored in the user's session.
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Author {
+    pub name: String,
+    pub email: String,
+}
+
+impl Actor for OidcExecutor {
+    type Context = Context<Self>;
+}
+
+/// Message used to request the login URL:
+pub struct GetLoginUrl; // TODO: Add a nonce parameter stored in session.
+message!(GetLoginUrl, String);
+
+impl Handler<GetLoginUrl> for OidcExecutor {
+    type Result = String;
+
+    fn handle(&mut self, _: GetLoginUrl, _: &mut Self::Context) -> Self::Result {
+        let mut url: Url = self.oidc_config.authorization_endpoint.clone();
+        {
+            let mut params = url.query_pairs_mut();
+            params.append_pair("client_id", &self.client_id);
+            params.append_pair("response_type", "code");
+            params.append_pair("scope", "openid");
+            params.append_pair("redirect_uri", &self.redirect_uri);
+            params.append_pair("response_mode", "form_post");
+        }
+        return url.into_string();
+    }
+}
+
+/// Message used to request the token from the returned code and
+/// retrieve userinfo from the appropriate endpoint.
+pub struct RetrieveToken(pub CodeResponse);
+message!(RetrieveToken, Result<Author>);
+
+#[derive(Debug, Deserialize)]
+struct TokenResponse {
+    access_token: String,
+}
+
+// TODO: This is currently hardcoded to Office365 fields.
+#[derive(Debug, Deserialize)]
+struct Userinfo {
+    name: String,
+    unique_name: String, // email in office365
+}
+
+impl Handler<RetrieveToken> for OidcExecutor {
+    type Result = Result<Author>;
+
+    fn handle(&mut self, msg: RetrieveToken, _: &mut Self::Context) -> Self::Result {
+        debug!("Received OAuth2 code, requesting access_token");
+
+        let mut form = Form::new();
+        form.part("client_id")
+            .contents(&self.client_id.as_bytes())
+            .add()
+            .expect("critical error: invalid form data");
+
+        form.part("client_secret")
+            .contents(&self.client_secret.as_bytes())
+            .add()
+            .expect("critical error: invalid form data");
+
+        form.part("grant_type")
+            .contents("authorization_code".as_bytes())
+            .add()
+            .expect("critical error: invalid form data");
+
+        form.part("code")
+            .contents(&msg.0.code.as_bytes())
+            .add()
+            .expect("critical error: invalid form data");
+
+        form.part("redirect_uri")
+            .contents(&self.redirect_uri.as_bytes())
+            .add()
+            .expect("critical error: invalid form data");
+
+        let response = Request::post(&self.oidc_config.token_endpoint)
+            .user_agent(concat!("converse-", env!("CARGO_PKG_VERSION")))?
+            .form(form)
+            .send()?;
+
+        debug!("Received token response: {:?}", response);
+        let token: TokenResponse = response.as_json()?.body;
+
+        let bearer = format!("Bearer {}", token.access_token);
+        let user: Userinfo = Request::get(&self.oidc_config.userinfo_endpoint)
+            .user_agent(concat!("converse-", env!("CARGO_PKG_VERSION")))?
+            .header("Authorization", &bearer)?
+            .send()?
+            .as_json()?
+            .body;
+
+        Ok(Author {
+            name: user.name,
+            email: user.unique_name,
+        })
+    }
+}
+
+/// Convenience function to attempt loading an OIDC discovery document
+/// from a specified URL:
+pub fn load_oidc(url: &str) -> Result<OidcConfig> {
+    let config: OidcConfig = Request::get(url).send()?.as_json()?.body;
+    Ok(config)
+}
diff --git a/web/converse/src/render.rs b/web/converse/src/render.rs
new file mode 100644
index 000000000000..d06af12bd9f1
--- /dev/null
+++ b/web/converse/src/render.rs
@@ -0,0 +1,245 @@
+// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su>
+//
+// This file is part of Converse.
+//
+// This program is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see
+// <https://www.gnu.org/licenses/>.
+
+//! This module defines a rendering actor used for processing Converse
+//! data into whatever format is needed by the templates and rendering
+//! them.
+
+use crate::errors::*;
+use crate::models::*;
+use actix::prelude::*;
+use askama::Template;
+use chrono::prelude::{DateTime, Utc};
+use comrak::{markdown_to_html, ComrakOptions};
+use md5;
+use std::fmt;
+
+pub struct Renderer {
+    pub comrak: ComrakOptions,
+}
+
+impl Actor for Renderer {
+    type Context = actix::Context<Self>;
+}
+
+/// Represents a data formatted for human consumption
+#[derive(Debug)]
+struct FormattedDate(DateTime<Utc>);
+
+impl fmt::Display for FormattedDate {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}", self.0.format("%a %d %B %Y, %R"))
+    }
+}
+
+#[derive(Debug)]
+struct IndexThread {
+    id: i32,
+    title: String,
+    sticky: bool,
+    closed: bool,
+    posted: FormattedDate,
+    author_name: String,
+    post_author: String,
+}
+
+#[derive(Template)]
+#[template(path = "index.html")]
+struct IndexPageTemplate {
+    threads: Vec<IndexThread>,
+}
+
+// "Renderable" structures with data transformations applied.
+#[derive(Debug)]
+struct RenderablePost {
+    id: i32,
+    body: String,
+    posted: FormattedDate,
+    author_name: String,
+    author_gravatar: String,
+    editable: bool,
+}
+
+/// This structure represents the transformed thread data with
+/// Markdown rendering and other changes applied.
+#[derive(Template)]
+#[template(path = "thread.html")]
+struct RenderableThreadPage {
+    id: i32,
+    title: String,
+    closed: bool,
+    posts: Vec<RenderablePost>,
+}
+
+/// Helper function for computing Gravatar links.
+fn md5_hex(input: &[u8]) -> String {
+    format!("{:x}", md5::compute(input))
+}
+
+/// The different types of editing modes supported by the editing
+/// template:
+#[derive(Debug, PartialEq)]
+pub enum EditingMode {
+    NewThread,
+    PostReply,
+    EditPost,
+}
+
+impl Default for EditingMode {
+    fn default() -> EditingMode {
+        EditingMode::NewThread
+    }
+}
+
+/// This is the template used for rendering the new thread, edit post
+/// and reply to thread forms.
+#[derive(Template, Default)]
+#[template(path = "post.html")]
+pub struct FormTemplate {
+    /// Which editing mode is to be used by the template?
+    pub mode: EditingMode,
+
+    /// Potential alerts to display to the user (e.g. input validation
+    /// results)
+    pub alerts: Vec<&'static str>,
+
+    /// Either the title to be used in the subject field or the title
+    /// of the thread the user is responding to.
+    pub title: Option<String>,
+
+    /// Body of the post being edited, if present.
+    pub post: Option<String>,
+
+    /// ID of the thread being replied to or the post being edited.
+    pub id: Option<i32>,
+}
+
+/// Message used to render new thread page.
+///
+/// It can optionally contain a vector of warnings to display to the
+/// user in alert boxes, such as input validation errors.
+#[derive(Default)]
+pub struct NewThreadPage {
+    pub alerts: Vec<&'static str>,
+    pub title: Option<String>,
+    pub post: Option<String>,
+}
+message!(NewThreadPage, Result<String>);
+
+impl Handler<NewThreadPage> for Renderer {
+    type Result = Result<String>;
+
+    fn handle(&mut self, msg: NewThreadPage, _: &mut Self::Context) -> Self::Result {
+        let ctx = FormTemplate {
+            alerts: msg.alerts,
+            title: msg.title,
+            post: msg.post,
+            ..Default::default()
+        };
+        ctx.render().map_err(|e| e.into())
+    }
+}
+
+/// Message used to render post editing page.
+pub struct EditPostPage {
+    pub id: i32,
+    pub post: String,
+}
+message!(EditPostPage, Result<String>);
+
+impl Handler<EditPostPage> for Renderer {
+    type Result = Result<String>;
+
+    fn handle(&mut self, msg: EditPostPage, _: &mut Self::Context) -> Self::Result {
+        let ctx = FormTemplate {
+            mode: EditingMode::EditPost,
+            id: Some(msg.id),
+            post: Some(msg.post),
+            ..Default::default()
+        };
+
+        ctx.render().map_err(|e| e.into())
+    }
+}
+
+/// Message used to render search results
+#[derive(Template)]
+#[template(path = "search.html")]
+pub struct SearchResultPage {
+    pub query: String,
+    pub results: Vec<SearchResult>,
+}
+message!(SearchResultPage, Result<String>);
+
+impl Handler<SearchResultPage> for Renderer {
+    type Result = Result<String>;
+
+    fn handle(&mut self, msg: SearchResultPage, _: &mut Self::Context) -> Self::Result {
+        msg.render().map_err(|e| e.into())
+    }
+}
+
+// TODO: actor-free implementation below
+
+/// Render the index page for the given thread list.
+pub fn index_page(threads: Vec<ThreadIndex>) -> Result<String> {
+    let threads: Vec<IndexThread> = threads
+        .into_iter()
+        .map(|thread| IndexThread {
+            id: thread.thread_id,
+            title: thread.title, // escape_html(&thread.title),
+            sticky: thread.sticky,
+            closed: thread.closed,
+            posted: FormattedDate(thread.posted),
+            author_name: thread.thread_author,
+            post_author: thread.post_author,
+        })
+        .collect();
+
+    let tpl = IndexPageTemplate { threads };
+    tpl.render().map_err(|e| e.into())
+}
+
+// Render the page of a given thread.
+pub fn thread_page(user: i32, thread: Thread, posts: Vec<SimplePost>) -> Result<String> {
+    let posts = posts
+        .into_iter()
+        .map(|post| {
+            let editable = user != 1 && post.user_id == user;
+
+            let comrak = ComrakOptions::default(); // TODO(tazjin): cheddar
+            RenderablePost {
+                id: post.id,
+                body: markdown_to_html(&post.body, &comrak),
+                posted: FormattedDate(post.posted),
+                author_name: post.author_name.clone(),
+                author_gravatar: md5_hex(post.author_email.as_bytes()),
+                editable,
+            }
+        })
+        .collect();
+
+    let renderable = RenderableThreadPage {
+        posts,
+        closed: thread.closed,
+        id: thread.id,
+        title: thread.title,
+    };
+
+    Ok(renderable.render()?)
+}
diff --git a/web/converse/src/schema.rs b/web/converse/src/schema.rs
new file mode 100644
index 000000000000..520af4342261
--- /dev/null
+++ b/web/converse/src/schema.rs
@@ -0,0 +1,83 @@
+// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su>
+//
+// This file is part of Converse.
+//
+// This program is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see
+// <https://www.gnu.org/licenses/>.
+
+table! {
+    posts (id) {
+        id -> Int4,
+        thread_id -> Int4,
+        body -> Text,
+        posted -> Timestamptz,
+        user_id -> Int4,
+    }
+}
+
+table! {
+    threads (id) {
+        id -> Int4,
+        title -> Varchar,
+        posted -> Timestamptz,
+        sticky -> Bool,
+        user_id -> Int4,
+        closed -> Bool,
+    }
+}
+
+table! {
+    users (id) {
+        id -> Int4,
+        email -> Varchar,
+        name -> Varchar,
+        admin -> Bool,
+    }
+}
+
+// Note: Manually inserted as print-schema does not add views.
+table! {
+    simple_posts (id) {
+        id -> Int4,
+        thread_id -> Int4,
+        body -> Text,
+        posted -> Timestamptz,
+        user_id -> Int4,
+        closed -> Bool,
+        author_name -> Text,
+        author_email -> Text,
+    }
+}
+
+// Note: Manually inserted as print-schema does not add views.
+table! {
+    thread_index (thread_id) {
+        thread_id -> Int4,
+        title -> Text,
+        thread_author -> Text,
+        created -> Timestamptz,
+        sticky -> Bool,
+        closed -> Bool,
+        post_id -> Int4,
+        post_author -> Text,
+        posted -> Timestamptz,
+    }
+}
+
+joinable!(posts -> threads (thread_id));
+joinable!(posts -> users (user_id));
+joinable!(threads -> users (user_id));
+joinable!(simple_posts -> threads (thread_id));
+
+allow_tables_to_appear_in_same_query!(posts, threads, users, simple_posts,);
diff --git a/web/converse/static/highlight.css b/web/converse/static/highlight.css
new file mode 100644
index 000000000000..791932b87eaf
--- /dev/null
+++ b/web/converse/static/highlight.css
@@ -0,0 +1,99 @@
+/*
+
+github.com style (c) Vasily Polovnyov <vast@whiteants.net>
+
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  color: #333;
+  background: #f8f8f8;
+}
+
+.hljs-comment,
+.hljs-quote {
+  color: #998;
+  font-style: italic;
+}
+
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-subst {
+  color: #333;
+  font-weight: bold;
+}
+
+.hljs-number,
+.hljs-literal,
+.hljs-variable,
+.hljs-template-variable,
+.hljs-tag .hljs-attr {
+  color: #008080;
+}
+
+.hljs-string,
+.hljs-doctag {
+  color: #d14;
+}
+
+.hljs-title,
+.hljs-section,
+.hljs-selector-id {
+  color: #900;
+  font-weight: bold;
+}
+
+.hljs-subst {
+  font-weight: normal;
+}
+
+.hljs-type,
+.hljs-class .hljs-title {
+  color: #458;
+  font-weight: bold;
+}
+
+.hljs-tag,
+.hljs-name,
+.hljs-attribute {
+  color: #000080;
+  font-weight: normal;
+}
+
+.hljs-regexp,
+.hljs-link {
+  color: #009926;
+}
+
+.hljs-symbol,
+.hljs-bullet {
+  color: #990073;
+}
+
+.hljs-built_in,
+.hljs-builtin-name {
+  color: #0086b3;
+}
+
+.hljs-meta {
+  color: #999;
+  font-weight: bold;
+}
+
+.hljs-deletion {
+  background: #fdd;
+}
+
+.hljs-addition {
+  background: #dfd;
+}
+
+.hljs-emphasis {
+  font-style: italic;
+}
+
+.hljs-strong {
+  font-weight: bold;
+}
diff --git a/web/converse/static/highlight.js b/web/converse/static/highlight.js
new file mode 100644
index 000000000000..9ca7d97ba31d
--- /dev/null
+++ b/web/converse/static/highlight.js
@@ -0,0 +1,2 @@
+/*! highlight.js v9.12.0 | BSD3 License | git.io/hljslicense */
+!function(e){var n="object"==typeof window&&window||"object"==typeof self&&self;"undefined"!=typeof exports?e(exports):n&&(n.hljs=e({}),"function"==typeof define&&define.amd&&define([],function(){return n.hljs}))}(function(e){function n(e){return e.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;")}function t(e){return e.nodeName.toLowerCase()}function r(e,n){var t=e&&e.exec(n);return t&&0===t.index}function a(e){return k.test(e)}function i(e){var n,t,r,i,o=e.className+" ";if(o+=e.parentNode?e.parentNode.className:"",t=B.exec(o))return w(t[1])?t[1]:"no-highlight";for(o=o.split(/\s+/),n=0,r=o.length;r>n;n++)if(i=o[n],a(i)||w(i))return i}function o(e){var n,t={},r=Array.prototype.slice.call(arguments,1);for(n in e)t[n]=e[n];return r.forEach(function(e){for(n in e)t[n]=e[n]}),t}function u(e){var n=[];return function r(e,a){for(var 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{4}|	)",e:"$",r:0}]},{b:"^[-\\*]{3,}",e:"$"},{b:"\\[.+?\\][\\(\\[].*?[\\)\\]]",rB:!0,c:[{cN:"string",b:"\\[",e:"\\]",eB:!0,rE:!0,r:0},{cN:"link",b:"\\]\\(",e:"\\)",eB:!0,eE:!0},{cN:"symbol",b:"\\]\\[",e:"\\]",eB:!0,eE:!0}],r:10},{b:/^\[[^\n]+\]:/,rB:!0,c:[{cN:"symbol",b:/\[/,e:/\]/,eB:!0,eE:!0},{cN:"link",b:/:\s*/,e:/$/,eB:!0}]}]}});hljs.initHighlightingOnLoad();
diff --git a/web/converse/static/styles.css b/web/converse/static/styles.css
new file mode 100644
index 000000000000..b57fd899ea8d
--- /dev/null
+++ b/web/converse/static/styles.css
@@ -0,0 +1,145 @@
+* :not(.material-icons) {
+  font-family: 'Ubuntu', sans-serif;
+}
+
+code, pre, code * {
+    font-family: 'Ubuntu Mono', monospace !important;
+}
+
+.cvs-title, .thread-link {
+    text-decoration: none;
+}
+
+.thread-list-item:hover {
+    background-color: #f5f5f5;
+}
+
+.thread-link {
+    padding: 5px;
+    padding-top: 10px;
+}
+
+.thread-title {
+    padding-right: 15vw;
+}
+
+.search-field {
+    margin-right: 15px;
+    max-width: 200px;
+}
+
+.thread-author {
+    font-style: italic;
+    font-size: 85%;
+}
+
+@media only screen and (min-width: 768px) {
+    .converse main {
+        padding-top: 10px;
+        padding-bottom: 10px;
+    }
+}
+
+.mdl-list__item-text-body {
+    max-height: 40px;
+}
+
+.thread-divider:after {
+    border-bottom: 1px solid rgba(0,0,0,.13);
+    content:"";
+    position: absolute;
+    width: 80%;
+}
+
+html, body {
+  margin: 0;
+  padding: 0;
+}
+.converse .mdl-layout__header-row {
+  padding-left: 40px;
+}
+.converse .mdl-layout.is-small-screen .mdl-layout__header-row h3 {
+  font-size: inherit;
+}
+.converse .mdl-card {
+  height: auto;
+  display: -webkit-flex;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-flex-direction: column;
+      -ms-flex-direction: column;
+          flex-direction: column;
+}
+.converse .mdl-card > * {
+  height: auto;
+}
+.converse .mdl-card .mdl-card__supporting-text {
+  margin: 40px;
+  -webkit-flex-grow: 1;
+      -ms-flex-positive: 1;
+          flex-grow: 1;
+  padding: 0;
+  color: inherit;
+  width: calc(100% - 80px);
+}
+.mdl-demo.converse .mdl-card__supporting-text h4 {
+  margin-top: 0;
+  margin-bottom: 20px;
+}
+.converse .mdl-card__actions {
+  margin: 0;
+  padding: 4px 40px;
+  color: inherit;
+}
+.converse section.section--center {
+  max-width: 860px;
+}
+.converse .mdl-card .avatar-card {
+    display: flex;
+    flex-direction: column;
+    text-align: center;
+    margin-top: 30px;
+}
+.desktop-avatar {
+    width: 80px;
+    margin-right: auto;
+    margin-left: auto;
+}
+.mobile-avatar {
+    width: 30px;
+    border-radius: 8px;
+    margin-bottom: 5px;
+}
+.mobile-date {
+    text-decoration: none;
+}
+.converse .mdl-card .post-box {
+    margin: 20px;
+}
+.converse .mdl-card .post-actions {
+    display: flex;
+    padding-right: 5px;
+}
+.post-action {
+    margin: 5px;
+    margin-bottom: 10px;
+}
+.converse section.post-section {
+    padding: 5px;
+}
+.post-date {
+    text-decoration: none;
+    font-size: 80%;
+}
+.mdl-layout__content {
+    flex: 1 0 auto;
+}
+.converse .reply-box {
+    padding-top: 10px;
+}
+.search-result {
+    margin: 8px;
+}
+.search-result .mdl-button {
+    margin: 3px;
+}
diff --git a/web/converse/templates/index.html b/web/converse/templates/index.html
new file mode 100644
index 000000000000..07d6e7bfcf09
--- /dev/null
+++ b/web/converse/templates/index.html
@@ -0,0 +1,80 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
+    <title>Converse: Index</title>
+
+    <!-- TODO -->
+    <meta http-equiv="Content-Security-Policy" content="script-src https://code.getmdl.io 'self';">
+    <!-- <link rel="shortcut icon" href="images/favicon.png"> -->
+
+    <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Ubuntu">
+    <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
+    <link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.blue_grey-orange.min.css" />
+    <link rel="stylesheet" href="/static/styles.css">
+  </head>
+  <body class="converse mdl-base mdl-color-text--grey-700 mdl-color--grey-100">
+    <div class="mdl-layout mdl-layout--fixed-header mdl-js-layout mdl-color--grey-100">
+      <header class="mdl-layout__header mdl-layout__header--scroll mdl-color--primary-dark">
+        <div class="mdl-layout__header-row">
+          <a href="/" class="mdl-layout-title mdl-color-text--blue-grey-50 cvs-title">Converse</a>
+          <div class="mdl-layout-spacer"></div>
+          <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label mdl-color-text--blue-grey-50 search-field">
+            <form method="get" action="/search">
+              <input class="mdl-textfield__input" type="search" id="search-query" aria-label="Search" name="query">
+              <label class="mdl-textfield__label mdl-color-text--blue-grey-100" for="search-query">Search query...</label>
+              <input type="submit" hidden />
+            </form>
+          </div>
+          &nbsp;
+          <a href="/thread/new">
+            <button class="mdl-button mdl-js-button mdl-button--raised mdl-button--accent mdl-js-ripple-effect">
+              New Thread
+            </button>
+          </a>
+        </div>
+      </header>
+      <main class="mdl-layout__content">
+        <section class="section--center mdl-grid mdl-grid--no-spacing mdl-shadow--2dp">
+          <div class="mdl-card mdl-cell mdl-cell--12-col">
+            <div class="mdl-card__supporting-text mdl-grid">
+              <h4 class="mdl-cell mdl-cell--12-col">Latest threads:</h4>
+              <ul class="mdl-list">
+                {% for thread in threads %}
+                <li class="mdl-list__item thread-list-item mdl-list__item--three-line">
+                  <a class="thread-link mdl-color-text--grey-800" href="/thread/{{ thread.id }}">
+                    <span class="mdl-list__item-primary-content {% if loop.index < threads.len() %}thread-divider{% endif %}">
+                      <button class="mdl-button mdl-js-button mdl-button--fab mdl-button--mini-fab mdl-button--colored mdl-list__item-icon">
+                        <i class="material-icons">
+                          {% if thread.sticky %}
+                            announcement
+                          {% else if thread.closed %}
+                            lock
+                          {% else %}
+                            library_books
+                          {% endif %}
+                        </i>
+                      </button>
+                      <span class="thread-title">{{ thread.title }}<span class="thread-author"> by {{ thread.author_name }}</span></span>
+                      <span class="mdl-list__item-text-body">
+                        Last reply by {{ thread.post_author }} on {{ thread.posted }}.
+                      </span>
+                    </span>
+                  </a>
+                </li>
+                {% endfor %}
+              </ul>
+            </div>
+          </div>
+        </section>
+      </main>
+      <footer class="mdl-mini-footer">
+        <div class="mdl-mini-footer--right-section">
+          <p>Powered by <a href="https://code.tvl.fyi/about/web/converse">Converse</a></p>
+        </div>
+      </footer>
+      </div>
+      <script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
+  </body>
+</html>
diff --git a/web/converse/templates/post.html b/web/converse/templates/post.html
new file mode 100644
index 000000000000..8ea2df1cd344
--- /dev/null
+++ b/web/converse/templates/post.html
@@ -0,0 +1,124 @@
+{#
+  This template is shared by the new thread, reply and post-editing pages.
+
+  The main display differences between the different editing styles are the
+  headline of the page ("Submit new thread", "Reply to thread", "Edit post")
+  and whether or not the subject line field is displayed in the input form.
+
+  Every one of these pages can have a variable length list of alerts submitted
+  into the template, which will be rendered as Boostrap alert boxes above the
+  user input form.
+#}
+
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
+    <title>Converse: Post</title>
+
+    <meta http-equiv="Content-Security-Policy" content="script-src https://code.getmdl.io 'self';">
+    <!-- <link rel="shortcut icon" href="images/favicon.png"> -->
+
+    <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Ubuntu">
+    <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
+    <link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.blue_grey-orange.min.css" />
+    <link rel="stylesheet" href="/static/styles.css">
+  </head>
+  <body class="converse mdl-base mdl-color-text--grey-700 mdl-color--grey-100">
+    <div class="mdl-layout mdl-layout--fixed-header mdl-js-layout mdl-color--grey-100">
+      <header class="mdl-layout__header mdl-layout__header--scroll mdl-color--primary-dark">
+        <div class="mdl-layout__header-row">
+          <a href="/" class="mdl-layout-title mdl-color-text--blue-grey-50 cvs-title">
+          {% match mode %}
+            {% when EditingMode::NewThread %}
+              Converse: Submit new thread
+            {% when EditingMode::PostReply %}
+              Converse: Reply to thread
+            {% when EditingMode::EditPost %}
+              Converse: Edit post
+          {% endmatch %}
+          </a>
+          <div class="mdl-layout-spacer"></div>
+          <a href="/">
+            <button class="mdl-button mdl-js-button mdl-button--raised mdl-button--accent mdl-js-ripple-effect">
+              Back to index
+            </button>
+          </a>
+        </div>
+      </header>
+      <main class="mdl-layout__content mdl-grid">
+        <div class="mdl-card mdl-shadow--2dp mdl-cell--8-col">
+          {% match mode %}
+            {% when EditingMode::NewThread %}
+              <form action="/thread/submit" method="post">
+            {% when EditingMode::PostReply %}
+              <form action="/thread/reply" method="post">
+            {% when EditingMode::EditPost %}
+              <form action="/post/edit" method="post">
+          {% endmatch %}
+            {% match mode %}
+              {% when EditingMode::PostReply %}
+                <input type="hidden" id="thread_id" name="thread_id" value="{{ id.unwrap() }}">
+              {% when EditingMode::EditPost %}
+                <input type="hidden" id="thread_id" name="post_id" value="{{ id.unwrap() }}">
+              {% else %}
+                {# no post ID when making a new thread #}
+            {% endmatch %}
+            <div class="mdl-card__supporting-text">
+              {% for alert in alerts %}
+              <span class="mdl-chip mdl-color--red-200">
+                <span class="mdl-chip__text">{{ alert }}&nbsp;</span>
+              </span>
+              {% endfor %}
+              {% if mode == EditingMode::NewThread %}
+              <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label mdl-cell--12-col">
+                <input class="mdl-textfield__input" type="text" id="title" name="title" aria-label="thread title" required {% match title %}{% when Some with (title_text) %}value="{{ title_text }}"{% else %}{# Nothing! #}{% endmatch %}>
+                <label class="mdl-textfield__label" for="title">Thread title</label>
+              </div>
+              {% endif %}
+              <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label mdl-cell--12-col">
+                <textarea class="mdl-textfield__input" type="text" rows="25" id="post" name="post" aria-label="post content" required>
+                  {%- match post -%}
+                    {%- when Some with (post_text) -%}
+                      {{- post_text -}}
+                    {%- else -%}
+                      {# Nothing! #}
+                  {%- endmatch -%}
+                </textarea>
+                <label class="mdl-textfield__label" for="body">Content ...</label>
+              </div>
+            </div>
+            <div class="mdl-card__actions">
+              <input class="mdl-button mdl-button--raised mdl-button--colored mdl-js-button mdl-js-ripple-effect" type="submit" value="Submit!">
+            </div>
+          </form>
+        </div>
+        <div class="mdl-card mdl-shadow--2dp mdl-cell--4-col">
+          <div class="mdl-card__title mdl-card--border">
+            Quick Markdown primer:
+          </div>
+          <div class="mdl-card__supporting-text">
+            <p>
+              Remember that you can use <a href="https://daringfireball.net/projects/markdown/basics"><strong>Markdown</strong></a> when
+              writing your posts:
+            </p>
+            <p><i>*italic text*</i></p>
+            <p><strong>**bold text**</strong></p>
+            <p><s>~strikethrough text~</s></p>
+            <p><code>[link text](https://some.link.com/)</code></p>
+            <p><code>![image text](https://foo.com/thing.jpg)</code></p>
+            <p>Use <code>*</code> or <code>-</code> to enumerate lists.</p>
+            <p>See Markdown documentation for more information!</p>
+          </div>
+        </div>
+      </main>
+      <footer class="mdl-mini-footer">
+        <div class="mdl-mini-footer--right-section">
+          <p>Powered by <a href="https://code.tvl.fyi/about/web/converse">Converse</a></p>
+        </div>
+      </footer>
+      </div>
+      <script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
+  </body>
+</html>
diff --git a/web/converse/templates/search.html b/web/converse/templates/search.html
new file mode 100644
index 000000000000..418440e028ce
--- /dev/null
+++ b/web/converse/templates/search.html
@@ -0,0 +1,67 @@
+<!doctype html>
+<html lang="en">
+    <head>
+        <meta charset="utf-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
+        <title>Converse: Search results</title>
+
+        <!-- TODO -->
+        <meta http-equiv="Content-Security-Policy" content="script-src https://code.getmdl.io 'self';">
+        <!-- <link rel="shortcut icon" href="images/favicon.png"> -->
+
+        <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Ubuntu">
+        <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
+        <link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.blue_grey-orange.min.css" />
+        <link rel="stylesheet" href="/static/styles.css">
+    </head>
+    <body class="converse mdl-base mdl-color-text--grey-700 mdl-color--grey-100">
+        <div class="mdl-layout mdl-layout--fixed-header mdl-js-layout mdl-color--grey-100">
+            <header class="mdl-layout__header mdl-layout__header--scroll mdl-color--primary-dark">
+                <div class="mdl-layout__header-row">
+                    <a href="/" class="mdl-layout-title mdl-color-text--blue-grey-50 cvs-title">Converse</a>
+                    <div class="mdl-layout-spacer"></div>
+                    <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label mdl-color-text--blue-grey-50 search-field">
+                        <form method="get" action="/search">
+                            <input class="mdl-textfield__input" type="search" id="search-query" aria-label="Search" name="query">
+                            <label class="mdl-textfield__label mdl-color-text--blue-grey-100" for="search-query">Search query...</label>
+                            <input type="submit" hidden />
+                        </form>
+                    </div>
+                    &nbsp;
+                    <a href="/">
+                        <button class="mdl-button mdl-js-button mdl-button--raised mdl-button--accent mdl-js-ripple-effect">
+                            Back to index
+                        </button>
+                    </a>
+                </div>
+            </header>
+            <main class="mdl-layout__content">
+                <section class="section--center mdl-grid">
+                    <div class="mdl-cell--12-col">
+                        <h4>Search results for '{{ query }}':</h4>
+                    </div>
+                    {% for result in results %}
+                        <div class="mdl-card mdl-cell--6-col search-result mdl-shadow--2dp">
+                            <div class="mdl-card__supporting-text">
+                                <p>Posted in '{{ result.title }}' by {{ result.author }}:</p>
+                                <p>{{ result.headline|safe }}</p>
+                            </div>
+                            <div class="mdl-card__actions mdl-card--border post-actions">
+                                <div class="mdl-layout-spacer"></div>
+                                <a class="mdl-button mdl-js-button mdl-button--fab mdl-button--mini-fab mdl-button--colored" href="/thread/{{ result.thread_id }}#post-{{ result.post_id }}">
+                                    <i class="material-icons">arrow_forward</i>
+                                </a>
+                            </div>
+                        </div>
+                    {% endfor %}
+                </section>
+            </main>
+            <footer class="mdl-mini-footer">
+                <div class="mdl-mini-footer--right-section">
+                    <p>Powered by <a href="https://code.tvl.fyi/about/web/converse">Converse</a></p>
+                </div>
+            </footer>
+        </div>
+        <script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
+    </body>
+</html>
diff --git a/web/converse/templates/thread.html b/web/converse/templates/thread.html
new file mode 100644
index 000000000000..66ec23de1f0a
--- /dev/null
+++ b/web/converse/templates/thread.html
@@ -0,0 +1,111 @@
+<!doctype html>
+<html lang="en">
+    <head>
+        <meta charset="utf-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
+        <title>Converse: {{ title }}</title>
+
+        <!-- TODO -->
+        <meta http-equiv="Content-Security-Policy" content="script-src https://code.getmdl.io 'self';">
+        <!-- <link rel="shortcut icon" href="images/favicon.png"> -->
+
+        <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Ubuntu">
+        <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Ubuntu+Mono">
+        <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
+        <link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.blue_grey-orange.min.css" />
+        <link rel="stylesheet" href="/static/styles.css">
+        <!-- Syntax highlighting for code -->
+        <link rel="stylesheet" href="/static/highlight.css">
+        <style>img { max-width:100%; height:auto; }</style>
+        <script src="/static/highlight.js"></script>
+    </head>
+    <body class="converse mdl-base mdl-color-text--grey-700 mdl-color--grey-100">
+        <div class="mdl-layout mdl-layout--fixed-header mdl-js-layout mdl-color--grey-100">
+            <header class="mdl-layout__header mdl-color--primary-dark">
+                <div class="mdl-layout__header-row">
+                    <a href="/" class="mdl-layout-title mdl-color-text--blue-grey-50 cvs-title">Converse: {{ title }}</a>
+                    <div class="mdl-layout-spacer"></div>
+                    <a href="/">
+                        <button class="mdl-button mdl-js-button mdl-button--raised mdl-button--accent mdl-js-ripple-effect">
+                            Back to index
+                        </button>
+                    </a>
+                </div>
+            </header>
+            <main class="mdl-layout__content">
+                {% for post in posts -%}
+                    <section id="post-{{ post.id }}" class="section--center mdl-grid mdl-grid--no-spacing">
+                        <!-- card to display avatars on desktop -->
+                        <div class="mdl-card mdl-shadow--2dp mdl-cell--2-col mdl-cell--hide-phone mdl-cell--hide-tablet avatar-box">
+                            <div class="avatar-card">
+                                <img class="desktop-avatar" src="https://www.gravatar.com/avatar/{{ post.author_gravatar }}?d=monsterid&s=160" />
+                                <p class="user-name">{{ post.author_name }}</p>
+                            </div>
+                        </div>
+                        <!-- card for main post content -->
+                        <div class="mdl-card mdl-shadow--2dp post-box mdl-cell--10-col">
+                            <!-- card section for displaying user & post information on mobile -->
+                            <div class="mdl-card__supporting-text mdl-card--border mdl-cell--hide-desktop mdl-color-text--blue-grey-500 mobile-user">
+                                <img class="mobile-avatar" src="https://www.gravatar.com/avatar/{{ post.author_gravatar }}?d=monsterid"/>
+                                <span>&nbsp;{{ post.author_name }} posted on </span>
+                                <a class="mdl-color-text--blue-grey-500 mobile-date" href="/thread/{{ id }}#post-{{ post.id }}">{{ post.posted }}</a>
+                            </div>
+                            <!-- card section to display post date on desktop -->
+                            <div class="mdl-card__menu mdl-cell--hide-phone mdl-cell--hide-tablet">
+                                <a class="post-date mdl-color-text--blue-grey-500" href="/thread/{{ id }}#post-{{ post.id }}">{{ post.posted }}</a>
+                            </div>
+                            <!-- card section for actual post content -->
+                            <div class="mdl-card__supporting-text post-box">{{ post.body|safe }}</div>
+                            <!-- card section for post actions -->
+                            <div class="mdl-card__actions post-actions">
+                                <div class="mdl-layout-spacer"></div>
+
+                                {% if post.editable %}
+                                    <a href="/post/{{ post.id }}/edit" class="mdl-button mdl-js-button mdl-button--accent" id="edit-post-{{ post.id }}" aria-label="Edit post">
+                                        <i class="material-icons">edit</i>
+                                        <span class="mdl-tooltip mdl-tooltip--top" for="edit-post-{{ post.id }}">Edit post</span>
+                                    </a>
+                                {% endif %}
+                                <button class="mdl-button mdl-js-button mdl-button--accent" id="quote-post-{{ post.id }}" aria-label="Quote post" disabled>
+                                    <i class="material-icons">reply</i>
+                                    <span class="mdl-tooltip mdl-tooltip--top" for="quote-post-{{ post.id }}">Quote post</span>
+                                </button>
+                            </div>
+                        </div>
+                    </section>
+                {% endfor %}
+
+                <!-- section for writing a response on the same page -->
+                <section id="post-reply" class="section--center mdl-grid mdl-grid--no-spacing reply-box">
+                    <div class="mdl-card mdl-shadow--2dp mdl-cell--12-col">
+                        {% if closed %}
+                        <div class="mdl-card__supporting-text">
+                            This thread is <b>closed</b> and can no longer be responded to.
+                        </div>
+                        {% else %}
+                        <form id="reply-form" action="/thread/reply" method="post">
+                            <input type="hidden" id="thread_id" name="thread_id" value="{{ id }}">
+
+                            <div class="mdl-card__supporting-text">
+                                <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label mdl-cell--12-col">
+                                    <textarea class="mdl-textfield__input" type="text" rows="8" id="post" name="post" aria-label="reply content"></textarea>
+                                    <label class="mdl-textfield__label" for="post">Write a reply</label>
+                                </div>
+                                <button class="mdl-button mdl-button--raised mdl-button--primary mdl-js-button mdl-js-ripple-effect" type="submit">
+                                    Post!
+                                </button>
+                            </div>
+                        </form>
+                        {% endif %}
+                    </div>
+                </section>
+            </main>
+            <footer class="mdl-mini-footer">
+                <div class="mdl-mini-footer--right-section">
+                    <p>Powered by <a href="https://code.tvl.fyi/about/web/converse">Converse</a></p>
+                </div>
+            </footer>
+        </div>
+        <script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
+    </body>
+</html>
diff --git a/web/converse/todo.org b/web/converse/todo.org
new file mode 100644
index 000000000000..379f10753ae5
--- /dev/null
+++ b/web/converse/todo.org
@@ -0,0 +1,13 @@
+* DONE Pin *-versions in cargo.toml
+* DONE Markdown support
+* DONE Post ordering as expected
+* DONE Stickies!
+* DONE Search
+* DONE Post editing
+* TODO Configurable number of DB workers
+* TODO Match certain types of Diesel errors (esp. for "not found")
+* TODO Sketch out categories vs. tags system
+* TODO Quote button
+* TODO Multiquote buttons
+* TODO Pagination
+* TODO Multi-thread guest accounts
diff --git a/web/panettone/.envrc b/web/panettone/.envrc
new file mode 100644
index 000000000000..be81feddb1a5
--- /dev/null
+++ b/web/panettone/.envrc
@@ -0,0 +1 @@
+eval "$(lorri direnv)"
\ No newline at end of file
diff --git a/web/panettone/.gitignore b/web/panettone/.gitignore
new file mode 100644
index 000000000000..be303db03207
--- /dev/null
+++ b/web/panettone/.gitignore
@@ -0,0 +1 @@
+*.fasl
diff --git a/web/panettone/OWNERS b/web/panettone/OWNERS
new file mode 100644
index 000000000000..b2b0acc303c8
--- /dev/null
+++ b/web/panettone/OWNERS
@@ -0,0 +1,5 @@
+inherited: true
+owners:
+  - grfn
+  - tazjin
+  - sterni
diff --git a/web/panettone/default.nix b/web/panettone/default.nix
new file mode 100644
index 000000000000..a01e0d81c83a
--- /dev/null
+++ b/web/panettone/default.nix
@@ -0,0 +1,55 @@
+{ depot, ... }:
+
+depot.nix.buildLisp.program {
+  name = "panettone";
+
+  deps = with depot.third_party.lisp; [
+    bordeaux-threads
+    cl-json
+    cl-ppcre
+    cl-smtp
+    cl-who
+    defclass-std
+    drakma
+    easy-routes
+    hunchentoot
+    lass
+    local-time
+    postmodern
+    trivial-ldap
+
+    depot.lisp.klatre
+  ];
+
+  srcs = [
+    ./panettone.asd
+    ./src/packages.lisp
+    ./src/util.lisp
+    ./src/css.lisp
+    ./src/email.lisp
+    ./src/inline-markdown.lisp
+    ./src/authentication.lisp
+    ./src/model.lisp
+    ./src/irc.lisp
+    ./src/panettone.lisp
+  ];
+
+  tests = {
+    deps = with depot.third_party.lisp; [
+      fiveam
+    ];
+
+    srcs = [
+      ./test/package.lisp
+      ./test/model_test.lisp
+      ./test/inline-markdown_test.lisp
+    ];
+
+    expression = "(fiveam:run!)";
+  };
+
+  brokenOn = [
+    "ecl" # dependencies use dynamic cffi
+    "ccl" # The value NIL is not of the expected type STRING. when loading model.lisp
+  ];
+}
diff --git a/web/panettone/docker-compose.yml b/web/panettone/docker-compose.yml
new file mode 100644
index 000000000000..84723667e6b9
--- /dev/null
+++ b/web/panettone/docker-compose.yml
@@ -0,0 +1,11 @@
+version: '3.4'
+services:
+  postgres:
+    image: postgres:11
+    restart: always
+    environment:
+      POSTGRES_USER: panettone
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: panettone
+    ports:
+      - 127.0.0.1:5432:5432
diff --git a/web/panettone/panettone.asd b/web/panettone/panettone.asd
new file mode 100644
index 000000000000..4d44e50fd3e8
--- /dev/null
+++ b/web/panettone/panettone.asd
@@ -0,0 +1,6 @@
+(asdf:defsystem "panettone"
+  :description "A simple issue tracker"
+  :serial t
+  :components ((:file "packages")
+               (:file "css")
+               (:file "pannetone")))
diff --git a/web/panettone/shell.nix b/web/panettone/shell.nix
new file mode 100644
index 000000000000..483481ca9aa1
--- /dev/null
+++ b/web/panettone/shell.nix
@@ -0,0 +1,15 @@
+{ depot ? import ../.. { } }:
+
+with depot.third_party.nixpkgs;
+
+mkShell {
+  buildInputs = [
+    docker-compose
+    postgresql
+  ];
+
+  PGPASSWORD = "password";
+  PGHOST = "localhost";
+  PGUSER = "panettone";
+  PGDATABASE = "panettone";
+}
diff --git a/web/panettone/src/.gitignore b/web/panettone/src/.gitignore
new file mode 100644
index 000000000000..10aa5440d832
--- /dev/null
+++ b/web/panettone/src/.gitignore
@@ -0,0 +1,2 @@
+# I use this as the out-link for my local lisp dev env
+sbcl
diff --git a/web/panettone/src/authentication.lisp b/web/panettone/src/authentication.lisp
new file mode 100644
index 000000000000..3d4a3510ea05
--- /dev/null
+++ b/web/panettone/src/authentication.lisp
@@ -0,0 +1,115 @@
+(in-package :panettone.authentication)
+
+(defvar *user* nil
+  "The currently logged-in user")
+
+(defvar *ldap* nil
+  "The ldap connection")
+
+(defvar *ldap-host* "localhost"
+  "The host for the ldap connection")
+
+(defvar *ldap-port* 389
+  "The port for the ldap connection")
+
+(defclass/std user ()
+  ((cn dn mail displayname :type string)))
+
+(defun connect-ldap (&key
+                       (host "localhost")
+                       (port 389))
+  (setq *ldap-host* host
+        *ldap-port* port
+        *ldap* (ldap:new-ldap :host host :port port)))
+
+(defun reconnect-ldap ()
+  (setq *ldap* (ldap:new-ldap
+                :host *ldap-host*
+                :port *ldap-port*)))
+
+(defmacro with-ldap ((&key (max-tries 1)) &body body)
+  "Execute BODY in a context where ldap connection errors trigger a reconnect
+and a retry"
+  (with-gensyms (n try retry e)
+    `(flet
+         ((,try
+              (,n)
+            (flet ((,retry (,e)
+                     (if (>= ,n ,max-tries)
+                         (error ,e)
+                         (progn
+                           (reconnect-ldap)
+                           (,try (1+ ,n))))))
+              (handler-case
+                  (progn
+                    ,@body)
+                (end-of-file (,e) (,retry ,e))
+                (trivial-ldap:ldap-connection-error (,e) (,retry ,e))))))
+       (,try 0))))
+
+(defun ldap-entry->user (entry)
+  (apply
+   #'make-instance
+   'user
+   :dn (ldap:dn entry)
+   (alexandria:mappend
+    (lambda (field)
+      (list field (car (ldap:attr-value entry field))))
+    (list :mail
+          :cn
+          :displayname))))
+
+(defun find-user/ldap (username)
+  (check-type username (simple-array character (*)))
+  (with-ldap ()
+    (ldap:search
+     *ldap*
+     `(and (= objectClass organizationalPerson)
+           (or
+            (= cn ,username)
+            (= dn ,username)))
+     ;; TODO(grfn): make this configurable
+     :base "ou=users,dc=tvl,dc=fyi")
+    (ldap:next-search-result *ldap*)))
+
+(defun find-user (username)
+  (check-type username (simple-array character (*)))
+  (when-let ((ldap-entry (find-user/ldap username)))
+    (ldap-entry->user ldap-entry)))
+
+(defun find-user-by-dn (dn)
+  "Look up the user with the given DN in the LDAP database, returning an
+instance of `user'"
+  (with-ldap ()
+    (let ((have-results
+            (handler-case
+              (ldap:search *ldap* `(= objectClass organizationalPerson)
+                           :base dn
+                           :scope 'ldap:base)
+              ; catch ldap-errors generated by trivial-ldap:parse-ldap-message
+              ; since this is thrown on conditions which we don't want this
+              ; function to fail like when there are no search results
+              (trivial-ldap:ldap-error (e) nil))))
+      (when have-results
+        (when-let ((ldap-entry (ldap:next-search-result *ldap*)))
+          (ldap-entry->user ldap-entry))))))
+
+(comment
+ (find-user-by-dn "cn=grfn,ou=users,dc=tvl,dc=fyi")
+ )
+
+(defun authenticate-user (user-or-username password)
+  "Checks the given USER-OR-USERNAME has the given PASSWORD, by making a bind
+request against the ldap server at *ldap*. Returns the user if authentication is
+successful, `nil' otherwise"
+  (when-let ((user (if (typep user-or-username 'user) user-or-username
+                     (find-user user-or-username))))
+    (let* ((dn (dn user))
+           (conn (ldap:new-ldap :host (ldap:host *ldap*)
+                                :port (ldap:port *ldap*)
+                                :user dn
+                                :pass password))
+           (code-sym (nth-value 1 (unwind-protect (ldap:bind conn)
+                                    (ldap:unbind conn)))))
+      (when (equalp code-sym 'trivial-ldap:success)
+        user))))
diff --git a/web/panettone/src/css.lisp b/web/panettone/src/css.lisp
new file mode 100644
index 000000000000..aa753cb50fc5
--- /dev/null
+++ b/web/panettone/src/css.lisp
@@ -0,0 +1,223 @@
+(in-package :panettone.css)
+(declaim (optimize (safety 3)))
+
+(defun button (selector)
+  `((,selector
+     :background-color "var(--success)"
+     :padding "0.5rem"
+     :text-decoration "none"
+     :transition "box-shadow" "0.15s" "ease-in-out")
+
+    ((:and ,selector :hover)
+     :box-shadow "0.25rem" "0.25rem" "0" "0" "rgba(0,0,0,0.08)")
+
+    ((:and ,selector (:or :active :focus))
+     :box-shadow "0.1rem" "0.1rem" "0" "0" "rgba(0,0,0,0.05)"
+     :outline "none"
+     :border "none")))
+
+(defparameter markdown-styles
+  `((blockquote
+     :border-left "5px" "solid" "var(--light)"-gray
+     :padding-left "1rem"
+     :margin-left "0rem")
+    (pre
+     :overflow-x "auto")))
+
+(defparameter issue-list-styles
+  `((.issue-list
+     :list-style-type "none"
+     :padding-left 0
+
+     (.issue-subject
+      :font-weight "bold")
+
+     (li
+      :padding-bottom "1rem")
+
+     ((li + li)
+      :border-top "1px" "solid" "var(--gray)")
+
+     (a
+      :text-decoration "none"
+      :display "block")
+
+     ((:and a :hover)
+      :outline "none"
+
+      (.issue-subject
+       :color "var(--primary)")))
+
+    (.comment-count
+     :color "var(--gray)")))
+
+(defparameter issue-history-styles
+  `((.issue-history
+     :list-style "none"
+     :border-top "1px" "solid" "var(--gray)"
+     :padding-top "1rem"
+     :padding-left "2rem"
+
+     (.comment-info
+      :color "var(--gray)"
+      :margin 0
+      :padding-top "1rem"
+
+      (a :text-decoration "none")
+      ((:and a :hover)
+       :text-decoration "underline"))
+
+     ((:or .comment .event)
+      :padding-top "1rem"
+      :padding-bottom "1rem"
+      :border-bottom "1px" "solid" "var(--gray)"
+
+      (p :margin 0))
+
+     ((:and (:or .comment .event) :target)
+      :border-color "var(--primary)"
+      :border-bottom-width "3px")
+
+     (.event
+      :color "var(--gray)"))))
+
+(defparameter form-styles
+  `(((:or (:and input (:or (:= type "text")
+                           (:= type "password")))
+          textarea)
+     :width "100%"
+     :padding "0.5rem"
+     :outline "none"
+     :border-top "none"
+     :border-left "none"
+     :border-right "none"
+     :border-bottom "1px" "solid" "var(--gray)"
+     :margin-bottom "1rem")
+
+    (textarea
+     :resize "vertical")
+
+    ((:and input (:= type "submit"))
+     :-webkit-appearance "none"
+     :border "none"
+     :cursor "pointer"
+     :font-size "1rem")
+
+    ,@(button '(:and input (:= type "submit")))
+
+    (.form-link
+     ((:and input (:= type "submit"))
+      :background-color "initial"
+      :color "inherit"
+      :padding 0
+      :text-decoration "underline")
+
+     ((:and input (:= type "submit")
+            (:or :hover :active :focus))
+      :box-shadow 0 0 0 0))
+
+    (.form-group
+     :margin-top "1rem")
+
+    (label.checkbox
+     :cursor "pointer")))
+
+(defparameter issue-styles
+  `((.issue-info
+     :display "flex"
+     :justify-content "space-between"
+     :align-items "center"
+
+     ,@(button '.edit-issue)
+
+     (.created-by-at
+      :flex 1)
+
+     (.edit-issue
+      :background-color "var(--light)"-gray
+      :flex 0
+      :margin-right "0.5rem")
+
+     (.close-issue
+      :background-color "var(--failure)"))))
+
+(defparameter styles
+  `(,@form-styles
+    ,@issue-list-styles
+    ,@issue-styles
+    ,@issue-history-styles
+    ,@markdown-styles
+
+    (body
+     :font-family "sans-serif"
+     :color "var(--text)"
+     :background "var(--bg)"
+     :--text "rgb(24, 24, 24)"
+     :--bg "white"
+     :--gray "#8D8D8D"
+     :--primary "rgb(106, 154, 255)"
+     :--primary-light "rgb(150, 166, 200)"
+     :--success "rgb(168, 249, 166)"
+     :--failure "rgb(247, 167, 167)"
+     :--light-gray "#EEE")
+
+    (:media "(prefers-color-scheme: dark)"
+      (body
+        :--text "rgb(240, 240, 240)"
+        :--bg "black"
+        :--gray "#8D8D8D"
+        :--primary "rgb(106, 154, 255)"
+        :--primary-light "rgb(150, 166, 200)"
+        :--success "rgb(14, 130, 11)"
+        :--failure "rgb(124, 14, 14)"
+        :--light-gray "#222"))
+
+    (a :color "inherit")
+
+    (.content
+     :max-width "800px"
+     :margin "0 auto")
+
+    (header
+     :display "flex"
+     :align-items "center"
+     :border-bottom "1px" "solid" "var(--text)"
+     :margin-bottom "1rem"
+
+     (h1
+      :padding 0
+      :flex 1)
+
+     (.issue-number
+      :color "var(--gray)"
+      :font-size "1.5rem"))
+
+    (nav
+     :display "flex"
+     :color "var(--gray)"
+     :justify-content "space-between"
+
+     (.nav-group
+      :display "flex"
+      (>*
+       :margin-left "0.5rem")))
+
+    (footer
+     :border-top "1px" "solid" "var(--gray)"
+     :padding-top "1rem"
+     :margin-top "1rem"
+     :color "var(--gray)")
+
+    ,@(button '.new-issue)
+
+    (.alert
+     :padding "0.5rem"
+     :margin-bottom "1rem"
+     :background-color "var(--failure)")
+
+    (.login-form
+     :max-width "300px"
+     :margin "0 auto")
+
+    (.created-by-at
+     :color "var(--gray)")))
diff --git a/web/panettone/src/email.lisp b/web/panettone/src/email.lisp
new file mode 100644
index 000000000000..cb01c488a2a6
--- /dev/null
+++ b/web/panettone/src/email.lisp
@@ -0,0 +1,48 @@
+(in-package :panettone.email)
+(declaim (optimize (safety 3)))
+
+(defvar *smtp-server* "localhost"
+  "The host for SMTP connections")
+
+(defvar *smtp-server-port* 2525
+  "The port for SMTP connections")
+
+(defvar *notification-from* "tvlbot@tazj.in"
+  "The email address to send email notifications from")
+
+(defvar *notification-from-display-name* "Panettone"
+  "The Display Name to use when sending email notifications")
+
+(defvar *notification-subject-prefix* "[panettone]"
+  "String to prefix all email subjects with")
+
+(defun send-email-notification (&key to subject message)
+  "Sends an email to TO with the given SUBJECT and MESSAGE, using the current
+values of `*smtp-server*', `*smtp-server-port*' and `*email-notification-from*'"
+  (let ((subject (if *notification-subject-prefix*
+                     (format nil "~A ~A"
+                             *notification-subject-prefix*
+                             subject)
+                     subject)))
+    (cl-smtp:send-email
+     *smtp-server*
+     *notification-from*
+     to
+     subject
+     message
+     :port *smtp-server-port*
+     :display-name *notification-from-display-name*)))
+
+(defun user-has-email-notifications-enabled-p (dn)
+  "Returns T if the user with the given DN has enabled email notifications"
+  (enable-email-notifications-p (settings-for-user dn)))
+
+(defun notify-user (dn &key subject message)
+  "Sends an email notification to the user with DN with the given SUBJECT and
+  MESSAGE, iff that user has not disabled email notifications"
+  (when (user-has-email-notifications-enabled-p dn)
+    (when-let ((user (find-user-by-dn dn)))
+      (send-email-notification
+       :to (mail user)
+       :subject subject
+       :message message))))
diff --git a/web/panettone/src/inline-markdown.lisp b/web/panettone/src/inline-markdown.lisp
new file mode 100644
index 000000000000..e49293519bf4
--- /dev/null
+++ b/web/panettone/src/inline-markdown.lisp
@@ -0,0 +1,127 @@
+(in-package :panettone.inline-markdown)
+(declaim (optimize (safety 3)))
+
+(define-constant +inline-markup-types+
+  '(("~~" :del)
+    ("*"  :em)
+    ("`"  :code))
+  :test #'equal)
+
+(defun next-token (mkdn &optional (escaped nil))
+  "Parses and returns the next token from the beginning of
+  an inline markdown string which is not altered. The resulting
+  tokens are either :normal (normal text), :special (syntactically
+  significant) or :escaped (escaped using \\). If the string is
+  empty, a pseudo-token named :endofinput is returned. Return value
+  is a list where the first element is the token type, the second
+  the token content and optionally the third the markup type."
+  ; special tokens are syntactically significant characters
+  ; or strings for our inline markdown subset. “normal” tokens
+  ; the strings in between
+  (let* ((special-toks #.'(cons (list "\\" :escape) +inline-markup-types+))
+         (toks (loop
+                 for tok in special-toks
+                 for pos = (search (car tok) mkdn)
+                 when pos collect (cons tok pos)))
+         (next-tok
+           (unless (null toks)
+             (reduce (lambda (a b) (if (< (cdr a) (cdr b)) a b)) toks))))
+    (cond
+      ; end of input
+      ((= (length mkdn) 0) (list :endofinput ""))
+      ; no special tokens, just return entire string
+      ((null next-tok) (list :normal mkdn))
+      ; special token, but not at the beginning of the string
+      ; so we return everything until the special token as
+      ; a string
+      ((> (cdr next-tok) 0) (list :normal (subseq mkdn 0 (cdr next-tok))))
+      ; \ at the beginning of the string: we get the next
+      ; token and mark it as escaped unless we are already
+      ; escaping in which case we just return the backslash
+      ; as a special token
+      ((eq (cadr (car next-tok)) :escape)
+       (if escaped
+         (list :special "\\")
+         (list :escaped
+               (next-token (subseq mkdn 1) t))))
+      ; any other special token at the beginning of the string
+      ; here we also pass the markup type as a third list element
+      ; to prevent unnecessesary lookups
+      (t (list :special
+               (subseq mkdn 0 (length (car (car next-tok))))
+               (cadr (car next-tok)))))))
+
+(defun token-length (tok-type tok-str)
+  "Returns the string length consumed by a call
+  to next-token returning the given token type and string."
+  (check-type tok-type symbol)
+  (if (eq tok-type :escaped)
+    ; backslash + length of escaped token
+    (progn
+      (check-type tok-str list)
+      (1+ (token-length (car tok-str) (cadr tok-str))))
+    (progn
+      (check-type tok-str string)
+      (length tok-str))))
+
+(defun write-tag (tag pos &optional (target *standard-output*))
+  "Wrapper around who:convert-tag-to-string-list to
+  only output a single :opening or :closing tag."
+  (check-type tag symbol)
+  (check-type pos symbol)
+  (let
+    ((index
+       (cond
+         ((eq pos :opening) 0)
+         ((eq pos :closing) 3)
+         (t (error 'simple-type-error)))))
+    (dolist
+      (tag-part (subseq
+                  (who:convert-tag-to-string-list tag nil nil nil)
+                  index (+ index 3)))
+      (write-string tag-part target))))
+
+(defun render-inline-markdown (s &optional (target *standard-output*) (in :normal))
+  "Render inline markdown, a subset of markdown safe to render
+  inside inline elements. The resulting html is directly written
+  to a specified stream or *standard-output* to integrate well
+  with cl-who."
+  (check-type s string)
+  (check-type target stream)
+  (loop
+    for (tok-type tok-str tok-markup) = (next-token s)
+    do (setq s (subseq s (token-length tok-type tok-str)))
+    when (eq tok-type :endofinput)
+    return ""
+    when (eq tok-type :normal)
+    do (write-string (who:escape-string tok-str) target)
+    when (eq tok-type :escaped)
+    do (progn
+         ; if normal tokens are escaped we treat the \ as if it were \\
+         ;
+         ; TODO(sterni): maybe also use the :normal behavior in :code except for #\`.
+         (when (eq (car tok-str) :normal)
+           (write-char #\\ target))
+         (write-string (who:escape-string (cadr tok-str)) target))
+    when (eq tok-type :special)
+    do (cond
+         ; we are on the outer level and encounter a special token:
+         ; render surrounding tags and call ourselves to render
+         ; inner content.
+         ((eq in :normal)
+          (progn
+            (write-tag tok-markup :opening target)
+            (setq s (render-inline-markdown s target tok-markup))
+            (write-tag tok-markup :closing target)))
+         ; we are on the inner level and encounter the token that initiated
+         ; our markup again, meaning we need to return to the outer level.
+         ; we return the remaining string to be consumed.
+         ((eq in tok-markup) (return s))
+         ; remaining case: we are on the inner level and encounter different markup.
+
+         ; we don't support nested markup for simplicity reasons, so instead we
+         ; just render any nested markdown tokens as if they were escaped. This
+         ; only eliminates the slight use case for nesting :em inside :del, but
+         ; shouldn't be too bad. As a side effect this is the precise behavior
+         ; we want for :code.
+         (t (write-string (who:escape-string tok-str) target)))))
diff --git a/web/panettone/src/irc.lisp b/web/panettone/src/irc.lisp
new file mode 100644
index 000000000000..2ab72a2e391e
--- /dev/null
+++ b/web/panettone/src/irc.lisp
@@ -0,0 +1,35 @@
+;;;; Using irccat to send IRC notifications
+
+(in-package :panettone.irc)
+
+(defun noping (s)
+  (format nil "~A~A~A"
+          (char s 0)
+          #\ZERO_WIDTH_SPACE
+          (subseq s 1)))
+
+(defun get-irccat-config ()
+  "Reads the IRCCATHOST and IRCCATPORT environment variables, and returns them
+as two values"
+  (destructuring-bind (host port)
+      (mapcar #'uiop:getenvp '("IRCCATHOST" "IRCCATPORT"))
+    (if (and host port)
+        (values host (parse-integer port))
+        (values "localhost" 4722))))
+
+(defun send-irc-notification (body &key channel)
+  "Sends BODY to the IRC channel CHANNEL (starting with #),
+if an IRCCat server is configured (using the IRCCATHOST and IRCCATPORT
+environment variables).
+May signal a condition if sending fails."
+  (multiple-value-bind (irchost ircport) (get-irccat-config)
+    (when irchost
+      (let ((socket (socket-connect irchost ircport)))
+        (unwind-protect
+             (progn
+               (format (socket-stream socket) "~@[~A ~]~A~A~%"
+                       channel
+                       #\ZERO_WIDTH_SPACE
+                       body)
+               (finish-output (socket-stream socket)))
+          (ignore-errors (socket-close socket)))))))
diff --git a/web/panettone/src/model.lisp b/web/panettone/src/model.lisp
new file mode 100644
index 000000000000..c54a0ae474bf
--- /dev/null
+++ b/web/panettone/src/model.lisp
@@ -0,0 +1,420 @@
+(in-package :panettone.model)
+(declaim (optimize (safety 3)))
+
+(defvar *pg-spec* nil
+  "Connection spec for use with the with-connection macro. Needs to be
+initialised at launch time.")
+
+(defun make-pg-spec ()
+  "Construct the Postgres connection spec from the environment."
+  (list (or (uiop:getenvp "PGDATABASE") "panettone")
+        (or (uiop:getenvp "PGUSER") "panettone")
+        (or (uiop:getenvp "PGPASSWORD") "password")
+        (or (uiop:getenvp "PGHOST") "localhost")
+
+        :port (or (integer-env "PGPORT") 5432)
+        :application-name "panettone"
+        :pooled-p t))
+
+(defun prepare-db-connections ()
+  "Initialises the connection spec used for all Postgres connections."
+  (setq *pg-spec* (make-pg-spec)))
+
+;;;
+;;; Schema
+;;;
+
+(defclass user-settings ()
+  ((user-dn :col-type string :initarg :user-dn :accessor user-dn)
+   (enable-email-notifications
+    :col-type boolean
+    :initarg :enable-email-notifications
+    :accessor enable-email-notifications-p
+    :initform t
+    :col-default t))
+  (:metaclass dao-class)
+  (:keys user-dn)
+  (:table-name user_settings)
+  (:documentation
+   "Panettone settings for an individual user DN"))
+
+(deftable (user-settings "user_settings")
+  (!dao-def))
+
+(defun settings-for-user (dn)
+  "Retrieve the settings for the user with the given DN, creating a new row in
+  the database if not yet present"
+  (or
+   (car
+    (query-dao
+     'user-settings
+     (:select '* :from 'user-settings :where (:= 'user-dn dn))))
+   (insert-dao (make-instance 'user-settings :user-dn dn))))
+
+(defun update-user-settings (settings &rest attrs)
+  "Update the fields of the settings for USER with the given ATTRS, which is a
+  plist of slot and value"
+  (check-type settings user-settings)
+  (when-let ((set-fields
+              (iter
+                (for slot in '(enable-email-notifications))
+                (for new-value = (getf attrs slot))
+                (appending
+                 (progn
+                   (setf (slot-value settings slot) new-value)
+                   (list slot new-value))))))
+    (execute
+     (sql-compile
+      `(:update user-settings
+        :set ,@set-fields
+        :where (:= user-dn ,(user-dn settings)))))))
+
+
+(define-constant +issue-statuses+ '(:open :closed)
+  :test #'equal)
+
+(deftype issue-status ()
+  "Type specifier for the status of an `issue'"
+  (cons 'member +issue-statuses+))
+
+(defun ddl/create-issue-status ()
+  "Issue DDL to create the `issue-status' type, if it doesn't exist"
+  (unless (query (:select (:exists (:select 1
+                                    :from 'pg_type
+                                    :where (:= 'typname "issue_status"))))
+                 :single)
+    (query (sql-compile
+            `(:create-enum issue-status ,+issue-statuses+)))))
+
+(defclass has-created-at ()
+  ((created-at :col-type timestamp
+               :col-default (local-time:now)
+               :initarg :created-at
+               :accessor created-at))
+  (:metaclass dao-class))
+
+(defun created-at->timestamp (object)
+  (assert (slot-exists-p object 'created-at))
+  (unless (or (not (slot-boundp object 'created-at))
+              (typep (slot-value object 'created-at) 'local-time:timestamp))
+    (setf (slot-value object 'created-at)
+          (local-time:universal-to-timestamp (created-at object)))))
+
+(defmethod initialize-instance :after
+    ((obj has-created-at) &rest initargs &key &allow-other-keys)
+  (declare (ignore initargs))
+  (created-at->timestamp obj))
+
+(defun keyword->str (kw) (string-downcase (symbol-name kw)))
+(defun str->keyword (st) (alexandria:make-keyword (string-upcase st)))
+
+(defclass issue (has-created-at)
+  ((id :col-type serial :initarg :id :accessor id)
+   (subject :col-type string :initarg :subject :accessor subject)
+   (body :col-type string :initarg :body :accessor body :col-default "")
+   (author-dn :col-type string :initarg :author-dn :accessor author-dn)
+   (comments :type list :accessor issue-comments)
+   (events :type list :accessor issue-events)
+   (num-comments :type integer :accessor num-comments)
+   (status :col-type issue_status
+           :initarg :status
+           :accessor status
+           :initform :open
+           :col-default "open"
+           :col-export keyword->str
+           :col-import str->keyword))
+  (:metaclass dao-class)
+  (:keys id)
+  (:table-name issues)
+  (:documentation
+   "Issues are the primary entity in the Panettone database. An issue is
+   reported by a user, has a subject and an optional body, and can be either
+   open or closed"))
+
+(defmethod cl-postgres:to-sql-string ((kw (eql :open)))
+  (cl-postgres:to-sql-string "open"))
+(defmethod cl-postgres:to-sql-string ((kw (eql :closed)))
+  (cl-postgres:to-sql-string "closed"))
+(defmethod cl-postgres:to-sql-string ((ts local-time:timestamp))
+  (cl-postgres:to-sql-string
+   (local-time:timestamp-to-unix ts)))
+
+(defmethod initialize-instance :after
+    ((issue issue) &rest initargs &key &allow-other-keys)
+  (declare (ignore initargs))
+  (unless (symbolp (status issue))
+    (setf (status issue)
+          (intern (string-upcase (status issue))
+                  "KEYWORD"))))
+
+(deftable issue (!dao-def))
+
+(defclass issue-comment (has-created-at)
+  ((id :col-type integer :col-identity t :initarg :id :accessor id)
+   (body :col-type string :initarg :body :accessor body)
+   (author-dn :col-type string :initarg :author-dn :accessor author-dn)
+   (issue-id :col-type integer :initarg :issue-id :accessor :user-id))
+  (:metaclass dao-class)
+  (:keys id)
+  (:table-name issue_comments)
+  (:documentation "Comments on an `issue'"))
+(deftable (issue-comment "issue_comments")
+  (!dao-def)
+  (!foreign 'issues 'issue-id 'id :on-delete :cascade :on-update :cascade))
+
+(defclass issue-event (has-created-at)
+  ((id :col-type integer :col-identity t :initarg :id :accessor id)
+   (issue-id :col-type integer
+             :initarg :issue-id
+             :accessor issue-id)
+   (acting-user-dn :col-type string
+                   :initarg :acting-user-dn
+                   :accessor acting-user-dn)
+   (field :col-type (or string db-null)
+          :initarg :field
+          :accessor field)
+   (previous-value :col-type (or string db-null)
+                   :initarg :previous-value
+                   :accessor previous-value)
+   (new-value :col-type (or string db-null)
+              :initarg :new-value
+              :accessor new-value))
+  (:metaclass dao-class)
+  (:keys id)
+  (:table-name issue_events)
+  (:documentation "Events that have occurred for an issue.
+
+If a field has been changed on an issue, the SYMBOL-NAME of that slot will be in
+FIELD, its previous value will be formatted using ~A into PREVIOUS-VALUE, and
+its new value will be formatted using ~A into NEW-VALUE"))
+
+(deftable (issue-event "issue_events")
+  (!dao-def)
+  (!foreign 'issues 'issue-id 'id :on-delete :cascade :on-update :cascade))
+
+(define-constant +all-tables+
+    '(issue
+      issue-comment
+      issue-event
+      user-settings)
+  :test #'equal)
+
+(defun ddl/create-tables ()
+  "Issue DDL to create all tables, if they don't already exist."
+  (dolist (table +all-tables+)
+    (unless (table-exists-p (dao-table-name table))
+      (create-table table))))
+
+(defun ddl/init ()
+  "Idempotently initialize the full database schema for Panettone"
+  (ddl/create-issue-status)
+  (ddl/create-tables))
+
+;;;
+;;; Querying
+;;;
+
+(define-condition issue-not-found (error)
+  ((id :type integer
+       :initarg :id
+       :reader not-found-id
+       :documentation "ID of the issue that was not found"))
+  (:documentation
+   "Error condition for when an issue requested by ID is not found"))
+
+(defun get-issue (id)
+  "Look up the 'issue with the given ID and return it, or signal a condition of
+type `ISSUE-NOT-FOUND'."
+  (restart-case
+      (or (get-dao 'issue id)
+          (error 'issue-not-found :id id))
+    (different-id (new-id)
+      :report "Use a different issue ID"
+      :interactive (lambda ()
+                     (format t "Enter a new ID: ")
+                     (multiple-value-list (eval (read))))
+      (get-issue new-id))))
+
+(defun issue-exists-p (id)
+  "Returns `T' if an issue with the given ID exists"
+  (query
+   (:select (:exists (:select 1
+                      :from 'issues
+                      :where (:= 'id id))))
+   :single))
+
+(defun list-issues (&key status (with '(:num-comments)))
+  "Return a list of all issues with the given STATUS (or all if nil), ordered by
+  ID descending. If WITH contains `:NUM-COMMENTS' (the default) each issue will
+  have the `num-comments' slot filled with the number of comments on that issue
+  (to avoid N+1 queries)."
+  (let* ((condition (unless (null status)
+                      `(:where (:= status $1))))
+         (select (if (find :num-comments with)
+                     `(:select issues.* (:as (:count issue-comments.id)
+                                             num-comments)
+                               :from issues
+                               :left-join issue-comments
+                               :on (:= issues.id issue-comments.issue-id)
+                               ,@condition
+                               :group-by issues.id)
+                     `(:select * :from issues ,@condition)))
+         (query (sql-compile
+                 `(:order-by ,select (:desc id)))))
+    (with-column-writers ('num_comments 'num-comments)
+      (query-dao 'issue query status))))
+
+(defmethod count-comments ((issue-id integer))
+  "Return the number of comments for the given ISSUE-ID."
+  (query
+   (:select (:count '*)
+    :from 'issue-comments
+    :where (:= 'issue-id issue-id))
+   :single))
+
+(defmethod slot-unbound (cls (issue issue) (slot (eql 'comments)))
+  (declare (ignore cls) (ignore slot))
+  (setf (issue-comments issue) (issue-comments (id issue))))
+
+(defmethod issue-comments ((issue-id integer))
+  "Return a list of all comments with the given ISSUE-ID, sorted oldest first.
+NOTE: This makes a database query, so be wary of N+1 queries"
+  (query-dao
+   'issue-comment
+   (:order-by
+    (:select '*
+     :from 'issue-comments
+     :where (:= 'issue-id issue-id))
+    (:asc 'created-at))))
+
+(defmethod slot-unbound (cls (issue issue) (slot (eql 'events)))
+  (declare (ignore cls) (ignore slot))
+  (setf (issue-events issue) (issue-events (id issue))))
+
+(defmethod issue-events ((issue-id integer))
+  "Return a list of all events with the given ISSUE-ID, sorted oldest first.
+NOTE: This makes a database query, so be wary of N+1 queries"
+  (query-dao
+   'issue-event
+   (:order-by
+    (:select '*
+     :from 'issue-events
+     :where (:= 'issue-id issue-id))
+    (:asc 'created-at))))
+
+;;;
+;;; Writing
+;;;
+
+(defun record-issue-event
+    (issue-id &key
+                field
+                previous-value
+                new-value)
+  "Record in the database that the user identified by `AUTHN:*USER*' updated
+ISSUE-ID, and return the resulting `ISSUE-EVENT'. If no user is currently
+authenticated, warn and no-op"
+  (check-type issue-id (integer))
+  (check-type field (or null symbol))
+  (if authn:*user*
+      (insert-dao
+       (make-instance 'issue-event
+                      :issue-id issue-id
+                      :acting-user-dn (authn:dn authn:*user*)
+                      :field (symbol-name field)
+                      :previous-value (when previous-value
+                                        (format nil "~A" previous-value))
+                      :new-value (when new-value
+                                   (format nil "~A" new-value))))
+      (warn "Performing operation as unauthenticated user")))
+
+(defun create-issue (&rest attrs)
+  "Insert a new issue into the database with the given ATTRS, which should be
+a plist of initforms, and return an instance of `issue'"
+  (insert-dao (apply #'make-instance 'issue attrs)))
+
+(defun delete-issue (issue)
+  (delete-dao issue))
+
+(defun set-issue-status (issue-id status)
+  "Set the status of the issue with the given ISSUE-ID to STATUS in the db. If
+the issue doesn't exist, signals `issue-not-found'"
+  (check-type issue-id integer)
+  (check-type status issue-status)
+  (let ((original-status (query (:select 'status
+                                 :from 'issues
+                                 :where (:= 'id issue-id))
+                                :single)))
+    (when (zerop (execute (:update 'issues
+                           :set 'status (cl-postgres:to-sql-string status)
+                           :where (:= 'id issue-id))))
+      (error 'issue-not-found :id issue-id))
+    (record-issue-event
+     issue-id
+     :field 'status
+     :previous-value (string-upcase original-status)
+     :new-value status)
+    (values)))
+
+(defun update-issue (issue &rest attrs)
+  "Update the fields of ISSUE with the given ATTRS, which is a plist of slot and
+value, and record events for the updates"
+  (let ((set-fields
+          (iter (for slot in '(subject body))
+            (for new-value = (getf attrs slot))
+            (appending
+             (let ((previous-value (slot-value issue slot)))
+               (when (and new-value (not (equalp
+                                          new-value
+                                          previous-value)))
+                 (record-issue-event (id issue)
+                                     :field slot
+                                     :previous-value previous-value
+                                     :new-value new-value)
+                 (setf (slot-value issue slot) new-value)
+                 (list slot new-value)))))))
+    (execute
+     (sql-compile
+      `(:update issues
+        :set ,@set-fields
+        :where (:= id ,(id issue)))))))
+
+(defun create-issue-comment (&rest attrs &key issue-id &allow-other-keys)
+  "Insert a new issue comment into the database with the given ATTRS and
+ISSUE-ID, which should be a plist of initforms, and return an instance of
+`issue-comment'. If no issue exists with `ID' ISSUE-ID, signals
+`issue-not-found'."
+  (unless (issue-exists-p issue-id)
+    (error 'issue-not-found :id issue-id))
+  (insert-dao (apply #'make-instance 'issue-comment :issue-id issue-id attrs)))
+
+(defun issue-commenter-dns (issue-id)
+  "Returns a list of all the dns of users who have commented on ISSUE-ID"
+  (query (:select 'author-dn :distinct
+          :from 'issue-comments
+          :where (:= 'issue-id issue-id))
+         :column))
+
+(defun issue-subscribers (issue-id)
+  "Returns a list of user DNs who should receive notifications for actions taken
+  on ISSUE-ID.
+
+Currently this is implemented as the author of issue plus all the users who have
+commented on the issue, but in the future we likely want to also allow
+explicitly subscribing to / unsubscribing from individual issues."
+  (let ((issue (get-issue issue-id)))
+    (adjoin (author-dn issue)
+            (issue-commenter-dns issue-id)
+            :test #'equal)))
+
+
+(comment
+ (ddl/init)
+ (make-instance 'issue :subject "test")
+ (create-issue :subject "test"
+               :author-dn "cn=grfn,ou=users,dc=tvl,dc=fyi")
+
+ (issue-commenter-dns 1)
+ (issue-subscribers 1)
+
+ )
diff --git a/web/panettone/src/packages.lisp b/web/panettone/src/packages.lisp
new file mode 100644
index 000000000000..81d2bed728d4
--- /dev/null
+++ b/web/panettone/src/packages.lisp
@@ -0,0 +1,84 @@
+(defpackage panettone.util
+  (:use :cl :klatre)
+  (:import-from :alexandria :when-let)
+  (:export :integer-env))
+
+(defpackage panettone.css
+  (:use :cl :lass)
+  (:export :styles))
+
+(defpackage panettone.inline-markdown
+  (:use :cl)
+  (:import-from :alexandria :define-constant)
+  (:export :render-inline-markdown))
+
+(defpackage panettone.irc
+  (:nicknames :irc)
+  (:use :cl :usocket)
+  (:export :noping :send-irc-notification))
+
+(defpackage :panettone.authentication
+  (:nicknames :authn)
+  (:use :cl :panettone.util :klatre)
+  (:import-from :defclass-std :defclass/std)
+  (:import-from :alexandria :when-let :with-gensyms)
+  (:export
+   :*user* :*ldap*
+   :user :cn :dn :mail :displayname
+   :connect-ldap :find-user :find-user-by-dn :authenticate-user))
+
+(defpackage panettone.model
+  (:nicknames :model)
+  (:use :cl :panettone.util :klatre :postmodern :iterate)
+  (:import-from :alexandria :if-let :when-let :define-constant)
+  (:export
+   :prepare-db-connections
+   :ddl/init
+   :*pg-spec*
+
+   :user-settings
+   :user-dn :enable-email-notifications-p :settings-for-user
+   :update-user-settings :enable-email-notifications
+
+   :issue :issue-comment :issue-event
+   :id :subject :body :author-dn :issue-id :status :created-at :acting-user-dn
+   :field :previous-value :new-value
+
+   :get-issue :issue-exists-p :list-issues :create-issue :set-issue-status
+   :update-issue :delete-issue :issue-not-found :not-found-id
+
+   :issue-events
+
+   :issue-comments :num-comments :create-issue-comment
+   :issue-commenter-dns :issue-subscribers))
+
+(defpackage panettone.email
+  (:nicknames :email)
+  (:use :cl)
+  (:import-from :alexandria :when-let)
+  (:import-from :panettone.model
+   :settings-for-user :enable-email-notifications-p)
+  (:import-from :panettone.authentication
+   :find-user-by-dn :mail :displayname)
+  (:export
+   :*smtp-server* :*smtp-server-port* :*notification-from*
+   :*notification-from-display-name* :*notification-subject-prefix*
+   :notify-user :send-email-notification))
+
+(defpackage panettone
+  (:use :cl :klatre :easy-routes :iterate
+        :panettone.util
+        :panettone.authentication
+        :panettone.inline-markdown)
+  (:import-from :defclass-std :defclass/std)
+  (:import-from :alexandria :if-let :when-let :switch :alist-hash-table)
+  (:import-from :cl-ppcre :split)
+  (:import-from :bordeaux-threads :make-thread)
+  (:import-from
+   :panettone.model
+   :id :subject :body :author-dn :issue-id :status :created-at
+   :field :previous-value :new-value :acting-user-dn
+   :*pg-spec*)
+  (:import-from :panettone.irc :send-irc-notification)
+  (:shadow :next)
+  (:export :start-pannetone :config :main))
diff --git a/web/panettone/src/panettone.lisp b/web/panettone/src/panettone.lisp
new file mode 100644
index 000000000000..bef5b018e465
--- /dev/null
+++ b/web/panettone/src/panettone.lisp
@@ -0,0 +1,691 @@
+(in-package :panettone)
+(declaim (optimize (safety 3)))
+
+(defvar *cheddar-url* "http://localhost:4238")
+
+(defgeneric render-markdown (markdown)
+  (:documentation
+   "Render the argument, or the elements of the argument, as markdown, and return
+   the same structure"))
+
+(defun request-markdown-from-cheddar (input)
+  "Send the CL value INPUT encoded as JSON to cheddar's
+  markdown endpoint and return the decoded response."
+  (let ((s (drakma:http-request
+            (concatenate 'string
+                         *cheddar-url*
+                         "/markdown")
+            :accept "application/json"
+            :method :post
+            :content-type "application/json"
+            :external-format-out :utf-8
+            :content (json:encode-json-to-string input)
+            :want-stream t)))
+    (setf (flexi-streams:flexi-stream-external-format s) :utf-8)
+    (cl-json:decode-json s)))
+
+(defmethod render-markdown ((markdown string))
+  (cdr (assoc :markdown
+              (request-markdown-from-cheddar
+               `((markdown . ,markdown))))))
+
+(defmethod render-markdown ((markdown hash-table))
+  (alist-hash-table
+   (request-markdown-from-cheddar markdown)))
+
+(defun markdownify-comment-bodies (comments)
+  "Convert the bodies of the given list of comments to markdown in-place using
+  Cheddar, and return nothing"
+  (let ((in (make-hash-table))
+        (comment-table (make-hash-table)))
+    (dolist (comment comments)
+      (when (typep comment 'model:issue-comment)
+        (setf (gethash (id comment) in) (body comment))
+        (setf (gethash (id comment) comment-table) comment)))
+    (let ((res (render-markdown in)))
+      (iter (for (comment-id markdown-body) in-hashtable res)
+        (let ((comment-id (parse-integer (symbol-name comment-id))))
+          (setf (slot-value (gethash comment-id comment-table)
+                            'model:body)
+                markdown-body)))))
+  (values))
+
+;;;
+;;; Views
+;;;
+
+(defvar *title* "Panettone")
+
+(eval-when (:compile-toplevel :load-toplevel)
+  (setf (who:html-mode) :html5))
+
+(defun render/nav ()
+  (who:with-html-output (*standard-output*)
+    (:nav
+     (if (find (car (split "\\?" (hunchentoot:request-uri*) :limit 2))
+               (list "/" "/issues/closed")
+               :test #'string=)
+         (who:htm (:span :class "placeholder"))
+         (who:htm (:a :href "/" "All Issues")))
+     (if *user*
+         (who:htm
+          (:div :class "nav-group"
+           (:a :href "/settings" "Settings")
+           (:form :class "form-link log-out"
+                  :method "post"
+                  :action "/logout"
+                  (:input :type "submit" :value "Log Out"))))
+         (who:htm
+          (:a :href
+              (format nil
+                      "/login?original-uri=~A"
+                      (drakma:url-encode (hunchentoot:request-uri*)
+                                         :utf-8))
+              "Log In"))))))
+
+(defun author (object)
+  (find-user-by-dn (author-dn object)))
+
+(defun displayname-if-known (user)
+  (or (when user (displayname user))
+      "unknown"))
+
+(defmacro render ((&key
+                     (footer t)
+                     (header t))
+                  &body body)
+  `(who:with-html-output-to-string (*standard-output* nil :prologue t)
+     (:html
+      :lang "en"
+      (:head
+       (:title (who:esc *title*))
+       (:link :rel "stylesheet" :type "text/css" :href "/main.css")
+       (:meta :name "viewport"
+              :content "width=device-width,initial-scale=1"))
+      (:body
+       (:div
+        :class "content"
+        (when ,header
+          (who:htm
+           (render/nav)))
+        ,@body
+        (when ,footer
+          (who:htm
+           (:footer
+            (render/nav)))))))))
+
+(defun form-button (&key
+                      class
+                      input-class
+                      href
+                      label
+                      (method "post"))
+  (who:with-html-output (*standard-output*)
+    (:form :class class
+           :method method
+           :action href
+           (:input :type "submit"
+                   :class input-class
+                   :value label))))
+
+(defun render/alert (message)
+  "Render an alert box for MESSAGE, if non-null"
+  (check-type message (or null string))
+  (who:with-html-output (*standard-output*)
+    (when message
+      (who:htm (:div :class "alert" (who:esc message))))))
+
+(defun render/login (&key message (original-uri "/"))
+  (render (:footer nil :header nil)
+    (:div
+     :class "login-form"
+     (:header
+      (:h1 "Login"))
+     (:main
+      :class "login-form"
+      (render/alert message)
+      (:form
+       :method :post :action "/login"
+       (:input :type "hidden" :name "original-uri"
+               :value (who:escape-string original-uri))
+       (:div
+        (:label :for "username"
+                "Username")
+        (:input :type "text"
+                :name "username"
+                :id "username"
+                :placeholder "username"))
+       (:div
+        (:label :for "password"
+                "Password")
+        (:input :type "password"
+                :name "password"
+                :id "password"
+                :placeholder "password"))
+       (:input :type "submit"
+               :value "Submit"))))))
+
+(defun render/settings ()
+  (let ((settings (model:settings-for-user (dn *user*))))
+    (render ()
+      (:div
+       :class "settings-page"
+       (:header
+        (:h1 "Settings"))
+       (:form
+        :method :post :action "/settings"
+        (:div
+         (:label :class "checkbox"
+          (:input :type "checkbox"
+                  :name "enable-email-notifications"
+                  :id "enable-email-notifications"
+                  :checked (model:enable-email-notifications-p
+                            settings))
+          "Enable Email Notifications"))
+        (:div :class "form-group"
+         (:input :type "submit"
+                 :value "Save Settings")))))))
+
+(defun created-by-at (issue)
+  (check-type issue model:issue)
+  (who:with-html-output (*standard-output*)
+    (:span :class "created-by-at"
+           "Opened by "
+           (:span :class "username"
+                  (who:esc (displayname-if-known
+                             (author issue))))
+           " at "
+           (:span :class "timestamp"
+                  (who:esc
+                   (format-dottime (created-at issue)))))))
+
+(defun render/issue-list (&key issues)
+  (who:with-html-output (*standard-output*)
+    (:ol
+     :class "issue-list"
+     (dolist (issue issues)
+       (let ((issue-id (model:id issue)))
+         (who:htm
+          (:li
+           (:a :href (format nil "/issues/~A" issue-id)
+               (:p
+                (:span :class "issue-subject"
+                       (render-inline-markdown (subject issue))))
+               (:span :class "issue-number"
+                      (who:esc (format nil "#~A" issue-id)))
+               " - "
+               (created-by-at issue)
+               (let ((num-comments (length (model:issue-comments issue))))
+                 (unless (zerop num-comments)
+                   (who:htm
+                    (:span :class "comment-count"
+                           " - "
+                           (who:esc
+                            (format nil "~A comment~:p" num-comments))))))))))))))
+
+(defun render/index (&key issues)
+  (render ()
+    (:header
+     (:h1 "Issues")
+     (when *user*
+       (who:htm
+        (:a
+         :class "new-issue"
+         :href "/issues/new" "New Issue"))))
+    (:main
+     (:div
+      :class "issue-links"
+      (:a :href "/issues/closed" "View closed issues"))
+     (render/issue-list :issues issues))))
+
+(defun render/closed-issues (&key issues)
+  (render ()
+    (:header
+     (:h1 "Closed issues"))
+    (:main
+     (:div
+      :class "issue-links"
+      (:a :href "/" "View open isues"))
+     (render/issue-list :issues issues))))
+
+(defun render/issue-form (&optional issue message)
+  (let ((editing (and issue (id issue))))
+    (render ()
+      (:header
+       (:h1
+        (who:esc
+         (if editing "Edit Issue" "New Issue"))))
+      (:main
+       (render/alert message)
+       (:form :method "post"
+              :action (if editing
+                          (format nil "/issues/~A"
+                                  (id issue))
+                          "/issues")
+              :class "issue-form"
+              (:div
+               (:input :type "text"
+                       :id "subject"
+                       :name "subject"
+                       :placeholder "Subject"
+                       :value (when editing
+                                (who:escape-string
+                                  (subject issue)))))
+
+              (:div
+               (:textarea :name "body"
+                          :placeholder "Description"
+                          :rows 10
+                          (who:esc
+                           (when editing
+                             (body issue)))))
+
+              (:input :type "submit"
+                      :value
+                      (if editing
+                          "Save Issue"
+                          "Create Issue")))))))
+
+(defun render/new-comment (issue-id)
+  (who:with-html-output (*standard-output*)
+    (:form
+     :class "new-comment"
+     :method "post"
+     :action (format nil "/issues/~A/comments" issue-id)
+     (:div
+      (:textarea :name "body"
+                 :placeholder "Leave a comment"
+                 :rows 5))
+     (:input :type "submit"
+             :value "Comment"))))
+
+(defgeneric render/issue-history-item (item))
+
+(defmethod render/issue-history-item ((comment model:issue-comment))
+  (let ((fragment (format nil "comment-~A" (id comment))))
+    (who:with-html-output (*standard-output*)
+      (:li
+       :class "comment"
+       :id fragment
+       (:p (who:str (body comment)))
+       (:p
+        :class "comment-info"
+        (:span :class "username"
+               (who:esc
+                 (displayname-if-known (author comment)))
+               " at "
+               (:a :href (concatenate 'string "#" fragment)
+                   (who:esc (format-dottime (created-at comment))))))))))
+
+(defmethod render/issue-history-item ((event model:issue-event))
+  (let ((user (find-user-by-dn (acting-user-dn event)))
+        (fragment (format nil "event-~A" (id event))))
+    (who:with-html-output (*standard-output*)
+      (:li
+       :class "event"
+       :id fragment
+       (who:esc (displayname-if-known user))
+       (switch ((field event) :test #'string=)
+         ("STATUS"
+          (who:htm
+           (who:esc
+            (switch ((new-value event) :test #'string=)
+              ("OPEN" " reopened ")
+              ("CLOSED" " closed ")))
+           " this issue "))
+         ("BODY" (who:htm " updated the body of this issue"))
+         (t
+          (who:htm
+           " changed the "
+           (who:esc (string-downcase (field event)))
+           " of this issue from \""
+           (who:esc (previous-value event))
+           "\" to \""
+           (who:esc (new-value event))
+           "\"")))
+       " at "
+       (who:esc (format-dottime (created-at event)))))))
+
+(defun render/issue (issue)
+  (check-type issue model:issue)
+  (let ((issue-id (id issue))
+        (issue-status (status issue)))
+    (render ()
+      (:header
+       (:h1 (render-inline-markdown (subject issue)))
+       (:div :class "issue-number"
+             (who:esc (format nil "#~A" issue-id))))
+      (:main
+       (:div
+        :class "issue-info"
+        (created-by-at issue)
+
+        (when *user*
+          (who:htm
+           (when (string= (author-dn issue)
+                          (dn *user*))
+             (who:htm
+              (:a :class "edit-issue"
+                  :href (format nil "/issues/~A/edit"
+                                issue-id)
+                  "Edit")))
+           (form-button
+            :class "set-issue-status"
+            :href (format nil "/issues/~A/~A"
+                          issue-id
+                          (case issue-status
+                            (:open "close")
+                            (:closed "open")))
+            :input-class (case issue-status
+                           (:open "close-issue")
+                           (:closed "open-issue"))
+            :label (case issue-status
+                     (:open "Close")
+                     (:closed "Reopen"))))))
+       (:p (who:str (render-markdown (body issue))))
+       (let* ((comments (model:issue-comments issue))
+              (events (model:issue-events issue))
+              (history (merge 'list
+                              comments
+                              events
+                              #'local-time:timestamp<
+                              :key #'created-at)))
+         (markdownify-comment-bodies comments)
+         (when (or history *user*)
+           (who:htm
+            (:ol
+             :class "issue-history"
+             (dolist (item history)
+               (render/issue-history-item item))
+             (when *user*
+               (render/new-comment (id issue)))))))))))
+
+(defun render/not-found (entity-type)
+  (render ()
+    (:h1 (who:esc entity-type) " Not Found")))
+
+;;;
+;;; HTTP handlers
+;;;
+
+(defun send-email-for-issue
+    (issue-id &key subject (message ""))
+  "Send an email notification to all subscribers to the given issue with the
+given subject an body (in a thread, to avoid blocking)"
+  (let ((current-user *user*))
+    (bordeaux-threads:make-thread
+     (lambda ()
+       (pomo:with-connection *pg-spec*
+         (dolist (user-dn (model:issue-subscribers issue-id))
+           (when (not (equal (dn current-user) user-dn))
+             (email:notify-user
+              user-dn
+              :subject subject
+              :message message))))))))
+
+(defun link-to-issue (issue-id)
+  (format nil "https://b.tvl.fyi/issues/~A" issue-id))
+
+(defun @auth-optional (next)
+  (let ((*user* (hunchentoot:session-value 'user)))
+    (funcall next)))
+
+(defun @auth (next)
+  (if-let ((*user* (hunchentoot:session-value 'user)))
+    (funcall next)
+    (hunchentoot:redirect
+     (format nil "/login?original-uri=~A"
+             (drakma:url-encode
+              (hunchentoot:request-uri*)
+              :utf-8)))))
+
+(defun @db (next)
+  "Decorator for handlers that use the database, wrapped in a transaction."
+  (pomo:with-connection *pg-spec*
+    (pomo:with-transaction ()
+      (catch
+          ;; 'hunchentoot:handler-done is unexported, but is used by functions
+          ;; like hunchentoot:redirect to nonlocally abort the request handler -
+          ;; this doesn't mean an error occurred, so we need to catch it here to
+          ;; make the transaction still get committed
+          (intern "HANDLER-DONE" "HUNCHENTOOT")
+        (funcall next)))))
+
+(defun @handle-issue-not-found (next)
+  (handler-case (funcall next)
+    (model:issue-not-found (err)
+      (render/not-found
+       (format nil "Issue #~A" (model:not-found-id err))))))
+
+(defroute login-form ("/login" :method :get)
+    (original-uri)
+  (if (hunchentoot:session-value 'user)
+      (hunchentoot:redirect (or original-uri "/"))
+      (render/login :original-uri original-uri)))
+
+(defroute submit-login ("/login" :method :post)
+    (&post original-uri username password)
+  (if-let ((user (authenticate-user username password)))
+    (progn
+      (setf (hunchentoot:session-value 'user) user)
+      (hunchentoot:redirect (or original-uri "/")))
+    (render/login :message "Invalid credentials"
+                  :original-uri original-uri)))
+
+(defroute logout ("/logout" :method :post) ()
+  (hunchentoot:delete-session-value 'user)
+  (hunchentoot:redirect "/"))
+
+(defroute index ("/" :decorators (@auth-optional @db)) ()
+  (let ((issues (model:list-issues :status :open)))
+    (render/index :issues issues)))
+
+(defroute settings ("/settings" :method :get :decorators (@auth @db)) ()
+  (render/settings))
+
+(defroute save-settings ("/settings" :method :post :decorators (@auth @db))
+    (&post enable-email-notifications)
+  (let ((settings (model:settings-for-user (dn *user*))))
+    (model:update-user-settings
+     settings
+     'model:enable-email-notifications enable-email-notifications)
+    (render/settings)))
+
+(defroute handle-closed-issues
+    ("/issues/closed" :decorators (@auth-optional @db)) ()
+  (let ((issues (model:list-issues :status :closed)))
+    (render/closed-issues :issues issues)))
+
+(defroute new-issue ("/issues/new" :decorators (@auth)) ()
+  (render/issue-form))
+
+(defroute handle-create-issue
+    ("/issues" :method :post :decorators (@auth @db))
+    (&post subject body)
+  (if (string= subject "")
+      (render/issue-form
+       (make-instance 'model:issue :subject subject :body body)
+       "Subject is required")
+      (let ((issue
+              (model:create-issue :subject subject
+                                  :body body
+                                  :author-dn (dn *user*))))
+        (send-irc-notification
+         (format nil
+                 "b/~A: \"~A\" opened by ~A - https://b.tvl.fyi/issues/~A"
+                 (id issue)
+                 subject
+                 (irc:noping (cn *user*))
+                 (id issue))
+         :channel (or (uiop:getenvp "ISSUECHANNEL")
+                      "#tvl"))
+        (hunchentoot:redirect "/"))))
+
+(defroute show-issue
+    ("/issues/:id" :decorators (@auth-optional @handle-issue-not-found @db))
+    (&path (id 'integer))
+  (let* ((issue (model:get-issue id))
+         (*title* (format nil "~A | Panettone"
+                          (subject issue))))
+    (render/issue issue)))
+
+(defroute edit-issue
+    ("/issues/:id/edit" :decorators (@auth @handle-issue-not-found @db))
+    (&path (id 'integer))
+  (let* ((issue (model:get-issue id))
+         (*title* "Edit Issue | Panettone"))
+    (render/issue-form issue)))
+
+(defroute update-issue
+    ("/issues/:id" :decorators (@auth @handle-issue-not-found @db)
+                   ;; NOTE: this should be a put, but we're all HTML forms
+                   ;; right now and those don't support PUT
+                   :method :post)
+    (&path (id 'integer) &post subject body)
+  (let ((issue (model:get-issue id)))
+    ;; only the original author can edit an issue
+    (if (string-equal (author-dn issue)
+                      (dn *user*))
+        (progn
+          (model:update-issue issue
+                              'model:subject subject
+                              'model:body body)
+          (hunchentoot:redirect (format nil "/issues/~A" id)))
+        (render/not-found "Issue"))))
+
+(defroute handle-create-comment
+    ("/issues/:id/comments"
+     :decorators (@auth @handle-issue-not-found @db)
+     :method :post)
+    (&path (id 'integer) &post body)
+  (flet ((redirect-to-issue ()
+           (hunchentoot:redirect (format nil "/issues/~A" id))))
+    (cond
+      ((string= body "")
+       (redirect-to-issue))
+      (:else
+       (model:create-issue-comment
+        :issue-id id
+        :body body
+        :author-dn (dn *user*))
+
+       (let ((issue (model:get-issue id)))
+         (send-email-for-issue
+          id
+          :subject (format nil "~A commented on b/~A: \"~A\""
+                           (displayname *user*)
+                           id
+                           (subject issue))
+          :message (format nil "~A~%~%~A"
+                           body
+                           (link-to-issue id))))
+       (redirect-to-issue)))))
+
+(defroute close-issue
+    ("/issues/:id/close" :decorators (@auth @handle-issue-not-found @db)
+                         :method :post)
+    (&path (id 'integer))
+  (model:set-issue-status id :closed)
+  (let ((issue (model:get-issue id)))
+    (send-irc-notification
+     (format nil
+             "b/~A: \"~A\" closed by ~A - ~A"
+             id
+             (subject issue)
+             (irc:noping (cn *user*))
+             (link-to-issue id))
+     :channel (or (uiop:getenvp "ISSUECHANNEL")
+                  "#tvl"))
+    (send-email-for-issue
+     id
+     :subject (format nil "b/~A: \"~A\" closed by ~A"
+                      id
+                      (subject issue)
+                      (displayname *user*))
+     :message (link-to-issue id)))
+  (hunchentoot:redirect (format nil "/issues/~A" id)))
+
+(defroute open-issue
+    ("/issues/:id/open" :decorators (@auth @db)
+                        :method :post)
+    (&path (id 'integer))
+  (model:set-issue-status id :open)
+  (let ((issue (model:get-issue id)))
+    (send-irc-notification
+     (format nil
+             "b/~A: \"~A\" reopened by ~A - ~A"
+             id
+             (subject issue)
+             (irc:noping (cn *user*))
+             (link-to-issue id))
+     :channel (or (uiop:getenvp "ISSUECHANNEL")
+                  "#tvl"))
+    (send-email-for-issue
+     id
+     :subject (format nil "b/~A: \"~A\" reopened by ~A"
+                      id
+                      (subject issue)
+                      (displayname *user*))
+     :message (link-to-issue id)))
+  (hunchentoot:redirect (format nil "/issues/~A" id)))
+
+(defroute styles ("/main.css") ()
+  (setf (hunchentoot:content-type*) "text/css")
+  (apply #'lass:compile-and-write panettone.css:styles))
+
+(defvar *acceptor* nil
+  "Hunchentoot acceptor for Panettone's web server.")
+
+(defun migrate-db ()
+  "Migrate the database to the latest version of the schema"
+  (pomo:with-connection *pg-spec*
+    (model:ddl/init)))
+
+(defun start-panettone (&key port
+                          (ldap-host "localhost")
+                          (ldap-port 389)
+                          session-secret)
+  (connect-ldap :host ldap-host
+                :port ldap-port)
+
+  (model:prepare-db-connections)
+  (migrate-db)
+
+  (when session-secret
+    (setq hunchentoot:*session-secret* session-secret))
+
+  (setq hunchentoot:*session-max-time* (* 60 60 24 90))
+
+  (setq *acceptor*
+        (make-instance 'easy-routes:routes-acceptor :port port))
+  (hunchentoot:start *acceptor*))
+
+(defun main ()
+  (let ((port (integer-env "PANETTONE_PORT" :default 6161))
+        (ldap-port (integer-env "LDAP_PORT" :default 389))
+        (cheddar-url (uiop:getenvp "CHEDDAR_URL"))
+        (session-secret (uiop:getenvp "SESSION_SECRET")))
+    (when cheddar-url (setq *cheddar-url* cheddar-url))
+    (setq hunchentoot:*show-lisp-backtraces-p* nil)
+    (setq hunchentoot:*log-lisp-backtraces-p* nil)
+
+    (start-panettone :port port
+                     :ldap-port ldap-port
+                     :session-secret session-secret)
+
+    (format t "launched panettone on port ~A~%" port)
+
+    (sb-thread:join-thread
+     (find-if (lambda (th)
+                (string= (sb-thread:thread-name th)
+                         (format nil "hunchentoot-listener-*:~A" port)))
+              (sb-thread:list-all-threads)))))
+
+(comment
+ (setq hunchentoot:*catch-errors-p* nil)
+ ;; to setup an ssh tunnel to ldap+cheddar+irccat for development:
+ ;; ssh -NL 3899:localhost:389 -L 4238:localhost:4238 -L 4722:localhost:4722 whitby.tvl.fyi
+ (start-panettone :port 6161
+                  :ldap-port 3899
+                  :session-secret "session-secret")
+ )
diff --git a/web/panettone/src/util.lisp b/web/panettone/src/util.lisp
new file mode 100644
index 000000000000..9fd9ceaa79a4
--- /dev/null
+++ b/web/panettone/src/util.lisp
@@ -0,0 +1,7 @@
+(in-package :panettone.util)
+
+(defun integer-env (var &key default)
+  (or
+   (when-let ((str (uiop:getenvp var)))
+     (try-parse-integer str))
+   default))
diff --git a/web/panettone/test/inline-markdown_test.lisp b/web/panettone/test/inline-markdown_test.lisp
new file mode 100644
index 000000000000..bb907504368b
--- /dev/null
+++ b/web/panettone/test/inline-markdown_test.lisp
@@ -0,0 +1,54 @@
+(in-package :panettone.tests)
+(declaim (optimize (safety 3)))
+
+(defmacro inline-markdown-unit-test (name input expected)
+  `(test ,name
+     (is (equal
+           ,expected
+           (with-output-to-string (*standard-output*)
+             (render-inline-markdown ,input))))))
+
+(inline-markdown-unit-test
+  inline-markdown-typical-test
+  "hello *world*, here is ~~no~~ `code`!"
+  "hello <em>world</em>, here is <del>no</del> <code>code</code>!")
+
+(inline-markdown-unit-test
+  inline-markdown-two-emphasize-types-test
+  "*stress* *this*"
+  "<em>stress</em> <em>this</em>")
+
+(inline-markdown-unit-test
+  inline-markdown-html-escaping-test
+  "<tag>öäü"
+  "&lt;tag&gt;&#xF6;&#xE4;&#xFC;")
+
+(inline-markdown-unit-test
+  inline-markdown-nesting-test
+  "`inside code *anything* goes`, but also ~~*here*~~"
+  "<code>inside code *anything* goes</code>, but also <del>*here*</del>")
+
+(inline-markdown-unit-test
+  inline-markdown-escaping-test
+  "A backslash \\\\ shows: \\*, \\` and \\~~"
+  "A backslash \\ shows: *, ` and ~~")
+
+(inline-markdown-unit-test
+  inline-markdown-nested-escaping-test
+  "`prevent \\`code\\` from ending, but never stand alone \\\\`"
+  "<code>prevent `code` from ending, but never stand alone \\</code>")
+
+(inline-markdown-unit-test
+  inline-markdown-escape-normal-tokens-test
+  "\\Normal tokens \\escaped?"
+  "\\Normal tokens \\escaped?")
+
+(inline-markdown-unit-test
+  inline-markdown-no-unclosed-tags-test
+  "A tag, once opened, *must be closed"
+  "A tag, once opened, <em>must be closed</em>")
+
+(inline-markdown-unit-test
+  inline-markdown-unicode-safe
+  "Does Unicode 👨‍👨‍👧‍👦 break \\👩🏾‍🦰 tokenization?"
+  "Does Unicode &#x1F468;&#x200D;&#x1F468;&#x200D;&#x1F467;&#x200D;&#x1F466; break \\&#x1F469;&#x1F3FE;&#x200D;&#x1F9B0; tokenization?")
diff --git a/web/panettone/test/irc_test.lisp b/web/panettone/test/irc_test.lisp
new file mode 100644
index 000000000000..0224836cbc32
--- /dev/null
+++ b/web/panettone/test/irc_test.lisp
@@ -0,0 +1,5 @@
+(in-package :panettone.tests)
+(declaim (optimize (safety 3)))
+
+(test noping-test
+  (is (not (equal "grfn" (panettone.irc:noping "grfn")))))
diff --git a/web/panettone/test/model_test.lisp b/web/panettone/test/model_test.lisp
new file mode 100644
index 000000000000..e4cd78a65a43
--- /dev/null
+++ b/web/panettone/test/model_test.lisp
@@ -0,0 +1,13 @@
+(in-package :panettone.tests)
+(declaim (optimize (safety 3)))
+
+(test initialize-issue-status-test
+  (let ((issue (make-instance 'model:issue :status "open")))
+    (is (eq :open (model:status issue)))))
+
+(test initialize-issue-created-at-test
+  (let* ((time (get-universal-time))
+         (issue (make-instance 'model:issue :created-at time)))
+    (is (local-time:timestamp=
+         (local-time:universal-to-timestamp time)
+         (model:created-at issue)))))
diff --git a/web/panettone/test/package.lisp b/web/panettone/test/package.lisp
new file mode 100644
index 000000000000..d2a2f974208e
--- /dev/null
+++ b/web/panettone/test/package.lisp
@@ -0,0 +1,3 @@
+(defpackage :panettone.tests
+  (:use :cl :klatre :fiveam
+        :panettone.inline-markdown))
diff --git a/web/static/default.nix b/web/static/default.nix
new file mode 100644
index 000000000000..9eaeb0ec1495
--- /dev/null
+++ b/web/static/default.nix
@@ -0,0 +1,29 @@
+# Expose all static assets as a folder. The derivation contains a
+# `drvHash` attribute which can be used for cache-busting.
+{ depot, lib, pkgs, ... }:
+
+let
+  storeDirLength = with builtins; (stringLength storeDir) + 1;
+  logo = depot.web.tvl.logo;
+in
+lib.fix (self: pkgs.runCommand "tvl-static"
+{
+  passthru = {
+    # Preserving the string context here makes little sense: While we are
+    # referencing this derivation, we are not doing so via the nix store,
+    # so it makes little sense for Nix to police the references.
+    drvHash = builtins.unsafeDiscardStringContext (
+      lib.substring storeDirLength 32 self.drvPath
+    );
+  };
+} ''
+  mkdir $out
+  cp -r ${./.}/* $out
+  cp ${logo.pastelRainbow} $out/logo-animated.svg
+  cp ${logo.bluePng} $out/logo-blue.png
+  cp ${logo.greenPng} $out/logo-green.png
+  cp ${logo.orangePng} $out/logo-orange.png
+  cp ${logo.purplePng} $out/logo-purple.png
+  cp ${logo.redPng} $out/logo-red.png
+  cp ${logo.yellowPng} $out/logo-yellow.png
+'')
diff --git a/web/static/favicon.webp b/web/static/favicon.webp
new file mode 100644
index 000000000000..741cdbc64ff2
--- /dev/null
+++ b/web/static/favicon.webp
Binary files differdiff --git a/web/static/files/adisbladis_tazjin_tvix.webp b/web/static/files/adisbladis_tazjin_tvix.webp
new file mode 100644
index 000000000000..38e004543da6
--- /dev/null
+++ b/web/static/files/adisbladis_tazjin_tvix.webp
Binary files differdiff --git a/web/static/files/flokli_tazjin_tvix.webp b/web/static/files/flokli_tazjin_tvix.webp
new file mode 100644
index 000000000000..4c0b94903fda
--- /dev/null
+++ b/web/static/files/flokli_tazjin_tvix.webp
Binary files differdiff --git a/web/static/jetbrains-mono-bold-italic.woff2 b/web/static/jetbrains-mono-bold-italic.woff2
new file mode 100644
index 000000000000..34b5c69ae1cf
--- /dev/null
+++ b/web/static/jetbrains-mono-bold-italic.woff2
Binary files differdiff --git a/web/static/jetbrains-mono-bold.woff2 b/web/static/jetbrains-mono-bold.woff2
new file mode 100644
index 000000000000..84a008af7edb
--- /dev/null
+++ b/web/static/jetbrains-mono-bold.woff2
Binary files differdiff --git a/web/static/jetbrains-mono-italic.woff2 b/web/static/jetbrains-mono-italic.woff2
new file mode 100644
index 000000000000..85fd4687891e
--- /dev/null
+++ b/web/static/jetbrains-mono-italic.woff2
Binary files differdiff --git a/web/static/jetbrains-mono.woff2 b/web/static/jetbrains-mono.woff2
new file mode 100644
index 000000000000..d5b94cb9e7db
--- /dev/null
+++ b/web/static/jetbrains-mono.woff2
Binary files differdiff --git a/web/static/tvl.css b/web/static/tvl.css
new file mode 100644
index 000000000000..aea4d426eac3
--- /dev/null
+++ b/web/static/tvl.css
@@ -0,0 +1,183 @@
+/* Jetbrains Mono font from https://www.jetbrains.com/lp/mono/
+   licensed under Apache 2.0. Thanks, Jetbrains! */
+@font-face {
+    font-family: jetbrains-mono;
+    src: url(jetbrains-mono.woff2);
+}
+
+@font-face {
+    font-family: jetbrains-mono;
+    font-weight: bold;
+    src: url(jetbrains-mono-bold.woff2);
+}
+
+@font-face {
+    font-family: jetbrains-mono;
+    font-style: italic;
+    src: url(jetbrains-mono-italic.woff2);
+}
+
+@font-face {
+    font-family: jetbrains-mono;
+    font-weight: bold;
+    font-style: italic;
+    src: url(jetbrains-mono-bold-italic.woff2);
+}
+
+/* Generic-purpose styling */
+
+body {
+    max-width: 800px;
+    margin: 40px auto;
+    line-height: 1.6;
+    font-size: 18px;
+    padding: 0 10px;
+    font-family: jetbrains-mono, monospace;
+}
+
+p, a :not(.uncoloured-link) {
+    color: inherit;
+}
+
+h1, h2, h3 {
+    line-height: 1.2
+}
+
+/* Homepage styling */
+
+.dark {
+    background-color: #181818;
+    color: #e4e4ef;
+}
+
+.dark-link, .interblag-title {
+    color: #96a6c8;
+}
+
+.entry-container {
+    display: flex;
+    flex-direction: row;
+    flex-wrap: wrap;
+    justify-content: flex-start;
+}
+
+.interblag-title {
+    text-decoration: none;
+}
+
+.entry {
+    width: 42%;
+    margin: 5px;
+    padding-left: 7px;
+    padding-right: 5px;
+    border: 2px solid;
+    border-radius: 5px;
+    flex-grow: 1;
+    text-decoration: none;
+}
+
+.misc {
+    color: #73c936;
+    border-color: #73c936;
+}
+
+.blog {
+    color: #268bd2;
+    border-color: #268bd2;
+}
+
+.project {
+    color: #ff4f58;
+    border-color: #ff4f58;
+}
+
+.entry-title {
+    color: inherit !important;
+    font-weight: bold;
+    text-decoration: none;
+}
+
+.entry-date {
+    font-style: italic;
+}
+
+/* Blog styling */
+
+.light {
+    color: #383838;
+}
+
+.blog-title {
+    color: inherit;
+    text-decoration: none;
+}
+
+.footer {
+    text-align: right;
+}
+
+.date {
+    text-align: right;
+    font-style: italic;
+    float: right;
+}
+
+.inline {
+    display: inline;
+}
+
+.lod {
+    text-align: center;
+}
+
+.uncoloured-link {
+    color: inherit;
+}
+
+pre {
+    width: 100%;
+    overflow: auto;
+}
+
+img {
+    max-width: 100%;
+}
+
+.cheddar-callout {
+    display: block;
+    padding: 10px;
+}
+
+.cheddar-question {
+    color: #3367d6;
+    background-color: #e8f0fe;
+}
+
+.cheddar-todo {
+    color: #616161;
+    background-color: #eeeeee;
+}
+
+.cheddar-tip {
+    color: #00796b;
+    background-color: #e0f2f1;
+}
+
+.cheddar-warning {
+    color: #a52714;
+    background-color: #fbe9e7;
+}
+
+kbd {
+    background-color: #eee;
+    border-radius: 3px;
+    border: 1px solid #b4b4b4;
+    box-shadow: 0 1px 1px rgba(0, 0, 0, .2), 0 2px 0 0 rgba(255, 255, 255, .7) inset;
+    color: #333;
+    display: inline-block;
+    font-size: .85em;
+    font-weight: 700;
+    line-height: 1;
+    padding: 2px 4px;
+    white-space: nowrap;
+}
diff --git a/web/todolist/default.nix b/web/todolist/default.nix
new file mode 100644
index 000000000000..c37a65555956
--- /dev/null
+++ b/web/todolist/default.nix
@@ -0,0 +1,116 @@
+# Generates a simple web view of open TODOs in the depot.
+#
+# Only TODOs that match the form 'TODO($username)' are considered, and
+# only for users that are known to us.
+{ depot, lib, pkgs, ... }:
+
+let
+  inherit (pkgs)
+    jq
+    ripgrep
+    runCommandNoCC
+    writeTextFile
+    ;
+
+  inherit (builtins)
+    elem
+    filter
+    fromJSON
+    head
+    readFile
+    map
+    ;
+
+  inherit (lib) concatStringsSep;
+
+  inherit (depot.nix.yants)
+    defun
+    int
+    string
+    struct
+    ;
+
+  knownUsers = map (u: u.username) depot.ops.users;
+
+  todo = struct {
+    file = string;
+    line = int;
+    todo = string;
+    user = string;
+  };
+
+  allTodos = fromJSON (readFile (runCommandNoCC "depot-todos.json" { } ''
+    ${ripgrep}/bin/rg --json 'TODO\(\w+\):.*$' ${depot.path} | \
+      ${jq}/bin/jq -s -f ${./extract-todos.jq} > $out
+  ''));
+
+  knownUserTodos = filter (todos: elem (head todos).user knownUsers) allTodos;
+
+  fileLink = defun [ todo string ] (t:
+    ''<a style="color: inherit;"
+         href="https://cs.tvl.fyi/depot/-/blob/${t.file}#L${toString t.line}">
+      //${t.file}:${toString t.line}</a>'');
+
+  todoElement = defun [ todo string ] (t: ''
+    <p>${fileLink t}:</p>
+    <blockquote>${t.todo}</blockquote>
+
+  '');
+
+  userParagraph = todos:
+    let user = (head todos).user;
+    in ''
+      <p>
+        <h3>
+          <a style="color:inherit; text-decoration: none;"
+             name="${user}"
+             href="#${user}">${user}</a>
+        </h3>
+        ${concatStringsSep "\n" (map todoElement todos)}
+      </p>
+      <hr>
+    '';
+
+  staticUrl = "https://static.tvl.fyi/${depot.web.static.drvHash}";
+
+in
+writeTextFile {
+  name = "tvl-todos";
+  destination = "/index.html";
+  text = ''
+    <!DOCTYPE html>
+    <head>
+      <meta charset="utf-8">
+      <meta name="viewport" content="width=device-width, initial-scale=1">
+      <meta name="description" content="TVL's todo-list">
+      <link rel="stylesheet" type="text/css" media="all" href="${staticUrl}/tvl.css">
+      <link rel="icon" type="image/webp" href="${staticUrl}/favicon.webp">
+      <title>TVL's todo-list</title>
+      <style>
+        svg {
+          max-width: inherit;
+          height: auto;
+        }
+      </style>
+    </head>
+    <body class="dark">
+      <header>
+        <h1><a class="blog-title" href="/">The Virus Lounge's todo-list</a> </h1>
+        <hr>
+      </header>
+      <main>
+      ${concatStringsSep "\n" (map userParagraph knownUserTodos)}
+      </main>
+      <footer>
+        <p class="footer">
+          <a class="uncoloured-link" href="https://tvl.fyi">homepage</a>
+          |
+          <a class="uncoloured-link" href="https://cs.tvl.fyi/depot/-/blob/README.md">code</a>
+          |
+          <a class="uncoloured-link" href="https://cl.tvl.fyi">reviews</a>
+        </p>
+        <p class="lod">ಠ_ಠ</p>
+      </footer>
+    </body>
+  '';
+}
diff --git a/web/todolist/extract-todos.jq b/web/todolist/extract-todos.jq
new file mode 100644
index 000000000000..d4e0476c403a
--- /dev/null
+++ b/web/todolist/extract-todos.jq
@@ -0,0 +1,30 @@
+# Simple jq script to extract all TODO comments in the code base from
+# ripgrep's JSON output.
+#
+# This assumes that the filter used is something like 'TODO\(\w+\):'
+
+# Capture the username and todo entry from an input string.
+def capture_todo:
+  capture("TODO\\((?<user>\\w+)\\):\\s+(?<todo>.*)$");
+
+# Construct a structure with only the fields we need to populate the
+# page.
+def simplify_match:
+  .data as $data
+  | (.data.submatches[0].match.text | capture_todo) as $capture
+  | {
+     file: ($data | .path.text | sub("/nix/store/.+-depot/"; "")),
+     line: ($data | .line_number),
+     todo: ($capture | .todo),
+     user: ($capture | .user),
+     };
+
+# Group all matches first by the user and return them in sorted order
+# by the file in which they appear. This matches the presentation
+# order on the website.
+def group_by_user: .
+    | group_by(.user)
+    | map(sort_by(.file));
+
+# main:
+map(select(.type == "match") | simplify_match) | group_by_user
diff --git a/web/tvl/blog/default.nix b/web/tvl/blog/default.nix
new file mode 100644
index 000000000000..963bb635e3b9
--- /dev/null
+++ b/web/tvl/blog/default.nix
@@ -0,0 +1,18 @@
+{ depot, ... }:
+
+{
+  config = {
+    name = "TVL's blog";
+    footer = depot.web.tvl.footer { };
+    baseUrl = "https://tvl.fyi/blog";
+  };
+
+  posts = [
+    {
+      key = "rewriting-nix";
+      title = "Tvix: We are rewriting Nix";
+      date = 1638381387;
+      content = ./rewriting-nix.md;
+    }
+  ];
+}
diff --git a/web/tvl/blog/rewriting-nix.md b/web/tvl/blog/rewriting-nix.md
new file mode 100644
index 000000000000..1b143e5b0ed9
--- /dev/null
+++ b/web/tvl/blog/rewriting-nix.md
@@ -0,0 +1,90 @@
+Evaluating the Nix programming language, used by the Nix package
+manager, is currently very slow. This becomes apparent in all projects
+written in Nix that are not just simple package definitions, for
+example:
+
+* the NixOS module system
+* TVL projects like
+  [`//nix/yants`](https://at.tvl.fyi/?q=%2F%2Fnix%2Fyants) and
+  [`//web/bubblegum`](https://at.tvl.fyi/?q=%2F%2Fweb%2Fbubblegum).
+* the code that [generates build
+  instructions](https://at.tvl.fyi/?q=%2F%2Fops%2Fpipelines) for TVL's
+  [CI setup](https://tvl.fyi/builds)
+
+Whichever project you pick, they all suffer from issues with the
+language implementation. At TVL, it takes us close to a minute to
+create the CI instructions for our monorepo at the moment - despite it
+being a plain Nix evaluation. Running our Nix-native build systems for
+[Go](https://code.tvl.fyi/about/nix/buildGo) and [Common
+Lisp](https://code.tvl.fyi/about/nix/buildLisp) takes much more time
+than we would like.
+
+Some time last year a few of us got together and started investigating
+ways to modernise the current architecture of Nix and figure out how
+to improve the speed of some of the components. We created over [250
+commits](https://cl.tvl.fyi/q/topic:tvix) in our fork of the Nix 2.3
+codebase at the time, tried [performance
+experiments](https://cl.tvl.fyi/c/depot/+/1123/) aimed at improving
+the current evaluator and fought [gnarly
+bugs](https://cl.tvl.fyi/c/depot/+/1504).
+
+After a while we realised that we were treading water: Some of our
+ideas are too architecturally divergent from Nix to be done on top of
+the existing codebase, and the memory model of Nix causes significant
+headaches when trying to do any kind of larger change.
+
+We needed an alternative approach and started brainstorming on a bent
+whiteboard in a small flat in Hurghada, Egypt.
+
+![flokli & tazjin brainstorming](https://static.tvl.fyi/latest/files/flokli_tazjin_tvix.webp)
+
+Half a year later we are now ready to announce our new project:
+**Tvix**, a re-imagined Nix with full nixpkgs compatibility. Tvix is
+generously funded [by NLNet](https://nlnet.nl/project/Tvix/) (thanks!)
+and we are ready to start implementing it.
+
+The [Tvix
+architecture](https://code.tvl.fyi/about/tvix/docs/components.md) is
+designed to be modular: It should be possible to write an evaluator
+that plugs in the Guile language (for compatibility with GNU Guix), to
+use arbitrary builders, and to replace the store implementation.
+
+Tvix has these high-level goals:
+
+* Creating an alternative implementation of Nix that is **fully
+  compatible with nixpkgs**.
+
+  The package collection is an enormous effort with hundreds of
+  thousands of commits, encoding expert knowledge about lots of
+  different software and ways of building and managing it. It is a
+  very valuable piece of software and we must be able to reuse it.
+
+* More efficient Nix language evaluation, leading to greatly increased
+  performance.
+
+* No more strict separation of evaluation and build phases: Generating
+  Nix data structures from build artefacts ("IFD") should be supported
+  first-class and not incur significant performance cost.
+
+* Well-defined interaction protocols for how the three different
+  components (evaluator, builder, store) interact.
+
+* A builder implementation using OCI instead of custom sandboxing
+  code.
+
+![adisbladis & tazjin brainstorming](https://static.tvl.fyi/latest/files/adisbladis_tazjin_tvix.webp)
+
+Tvix is not intended to *replace* Nix, instead we want to improve the
+ecosystem by offering an alternative, fast and reliable implementation
+for Nix features that are in use today.
+
+As things ramp up we will be posting more information on this blog,
+for now you can keep an eye on
+[`//tvix`](https://cs.tvl.fyi/depot/-/tree/tvix) in the TVL monorepo
+and subscribe to [our feed](https://tvl.fyi/feed.atom).
+
+Stay tuned!
+
+<span style="font-size: small;">PS: TVL is international, but a lot of
+the development will take place in our office in Moscow. Say hi if
+you're around and interested!</span>
diff --git a/web/tvl/default.nix b/web/tvl/default.nix
new file mode 100644
index 000000000000..262be54c0ef1
--- /dev/null
+++ b/web/tvl/default.nix
@@ -0,0 +1,131 @@
+{ depot, lib, pkgs, ... }:
+
+with depot.nix.yants;
+
+let
+  inherit (builtins) filter;
+  inherit (pkgs) graphviz runCommandNoCC writeText;
+  inherit (depot.web) atom-feed blog tvl;
+
+  listPosts = defun [ (list blog.post) string ] (posts:
+    lib.concatStringsSep "\n" (map (p: "* [${p.title}](blog/${p.key})") posts)
+  );
+
+  postRenderingCommands = defun [ (list blog.post) string ] (posts:
+    lib.concatStringsSep "\n"
+      (map (p: "cp ${blog.renderPost tvl.blog.config p} $out/blog/${p.key}.html") posts)
+  );
+
+  tvlGraph = runCommandNoCC "tvl.svg"
+    {
+      nativeBuildInputs = with pkgs; [ fontconfig freetype cairo jetbrains-mono ];
+    } ''
+    ${graphviz}/bin/neato -Tsvg ${./tvl.dot} > $out
+  '';
+
+  publishedPosts = filter blog.includePost tvl.blog.posts;
+
+  feed = {
+    id = "https://tvl.fyi/";
+    title = "TVL blog";
+    subtitle = "Thoughts and news from The Virus Lounge";
+    authors = [ "tazjin" ]; # TODO(tazjin): Extract from post info
+
+    links = lib.singleton {
+      rel = "self";
+      href = "https://tvl.fyi/feed.atom";
+    };
+
+    entries = map (blog.toFeedEntry tvl.blog.config) publishedPosts;
+  };
+
+  atomFeed = writeText "feed.atom" (atom-feed.renderFeed feed);
+
+  homepage = tvl.template {
+    title = "The Virus Lounge";
+    content = ''
+      The Virus Lounge
+      ================
+
+      ----------------
+
+      <img class="tvl-logo" src="https://static.tvl.fyi/${depot.web.static.drvHash}/logo-animated.svg"
+           alt="Virus with lambda-shaped spike proteins sitting on an armchair">
+
+      Welcome to **The Virus Lounge**. We're a group of people who got
+      together in 2020, when we felt that there was not enough
+      spontaneous socialising on the internet.
+
+      Because of our shared interests in topics like **build systems**
+      and **monorepos** we started working on code together, in our
+      monorepo called the *depot*.
+
+      Feel free to explore the tech we have built so far, all our
+      systems are linked in the footer.
+
+      We mostly hang out on IRC. You can find us in [`#tvl`][tvl-irc]
+      on [hackint][], which is also reachable [via XMPP][hackint-xmpp]
+      at [`#tvl@irc.hackint.org`][tvl-xmpp] (sic!) and [via
+      Matrix][hackint-matrix] at [`#tvl:hackint.org`][tvl-matrix].
+
+      Hackint also provide a [web chat][tvl-webchat].
+
+      [tvl-irc]: ircs://irc.hackint.org:6697/#tvl
+      [hackint]: https://hackint.org/
+      [hackint-xmpp]: https://hackint.org/transport/xmpp
+      [tvl-xmpp]: xmpp:#tvl@irc.hackint.org?join
+      [hackint-matrix]: https://hackint.org/transport/matrix
+      [tvl-matrix]: https://matrix.to/#/#tvl:hackint.org
+      [tvl-webchat]: https://webirc.hackint.org/#ircs://irc.hackint.org/#tvl
+
+      ----------------
+
+      ## Blog
+
+      Here are the most recent TVL blog posts.
+
+      ${listPosts publishedPosts}
+
+      You can also follow our [atom feed](https://tvl.fyi/feed.atom).
+
+      ----------------
+
+      ## Where did all these people come from?
+
+      It's pretty straightforward. Feel free to click on people, too.
+
+      <div class="tvl-graph-container">
+        <!--
+          cheddar leaves HTML inside of HTML alone,
+          so wrapping the SVG prevents it from messing it up
+        -->
+        ${builtins.readFile tvlGraph}
+      </div>
+    '';
+    extraHead = ''
+      <style>
+        .tvl-graph-container {
+          max-width: inherit;
+        }
+
+        .tvl-graph-container svg {
+          max-width: inherit;
+          height: auto;
+        }
+
+        .tvl-logo {
+          width: 60%;
+          display: block;
+          margin-left: auto;
+          margin-right: auto;
+        }
+      </style>
+    '';
+  };
+in
+runCommandNoCC "website" { } ''
+  mkdir -p $out/blog
+  cp ${homepage} $out/index.html
+  ${postRenderingCommands tvl.blog.posts}
+  cp ${atomFeed} $out/feed.atom
+''
diff --git a/web/tvl/footer/default.nix b/web/tvl/footer/default.nix
new file mode 100644
index 000000000000..dc2c963f90f4
--- /dev/null
+++ b/web/tvl/footer/default.nix
@@ -0,0 +1,21 @@
+# Footer fragment for TVL homepages, used by //web/tvl/template for
+# our static pages and also via //web/blog for blog posts.
+{ lib, ... }:
+
+args: ''
+  <p class="footer">
+    <a class="uncoloured-link" href="https://at.tvl.fyi/?q=%2F%2FREADME.md">code</a>
+    |
+    <a class="uncoloured-link" href="https://cl.tvl.fyi/">reviews</a>
+    |
+    <a class="uncoloured-link" href="https://tvl.fyi/builds">ci</a>
+    |
+    <a class="uncoloured-link" href="https://b.tvl.fyi/">bugs</a>
+    |
+    <a class="uncoloured-link" href="https://todo.tvl.fyi/">todos</a>
+    |
+    <a class="uncoloured-link" href="https://atward.tvl.fyi/">search</a>
+'' + lib.optionalString (args ? extraFooter) args.extraFooter + ''
+  </p>
+  <p class="lod">ಠ_ಠ</p>
+''
diff --git a/web/tvl/logo/default.nix b/web/tvl/logo/default.nix
new file mode 100644
index 000000000000..d9e023946a42
--- /dev/null
+++ b/web/tvl/logo/default.nix
@@ -0,0 +1,97 @@
+# Creates an output containing the logo in SVG format (animated and
+# static, one for each background colour) and without animations in
+# PNG.
+{ depot, lib, pkgs, ... }:
+
+let
+  palette = {
+    purple = "#CC99C9";
+    blue = "#9EC1CF";
+    green = "#9EE09E";
+    yellow = "#FDFD97";
+    orange = "#FEB144";
+    red = "#FF6663";
+  };
+
+  staticCss = colour: ''
+    #armchair-background {
+      fill: ${colour};
+    }
+  '';
+
+  # Create an animated CSS that equally spreads out the colours over
+  # the animation duration (1min).
+  animatedCss = colours:
+    let
+      # Calculate at which percentage offset each colour should appear.
+      stepSize = 100 / ((builtins.length colours) - 1);
+      frames = lib.imap0 (idx: colour: { inherit colour; at = idx * stepSize; }) colours;
+      frameCss = frame: "${toString frame.at}% { fill: ${frame.colour}; }";
+    in
+    ''
+      #armchair-background {
+        animation: 30s infinite alternate armchairPalette;
+      }
+
+      @keyframes armchairPalette {
+      ${lib.concatStringsSep "\n" (map frameCss frames)}
+      }
+    '';
+
+  # Dark version of the logo, suitable for light backgrounds.
+  darkCss = armchairCss: ''
+    .structure {
+      fill: #383838;
+    }
+    #letters {
+      fill: #fefefe;
+    }
+    ${armchairCss}
+  '';
+
+  # Light version, suitable for dark backgrounds.
+  lightCss = armchairCss: ''
+    .structure {
+      fill: #e4e4ef;
+    }
+    #letters {
+      fill: #181818;
+    }
+    ${armchairCss}
+  '';
+
+  logoShapes = builtins.readFile ./logo-shapes.svg;
+  logoSvg = style: ''
+    <svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" viewBox="420 860 1640 1500"
+         xmlns:xlink="http://www.w3.org/1999/xlink">
+      <style>${style}</style>
+      ${logoShapes}
+    </svg>
+  '';
+
+in
+depot.nix.readTree.drvTargets (lib.fix (self: {
+  # Expose the logo construction functions.
+  inherit palette darkCss lightCss animatedCss staticCss;
+
+  # Create a TVL logo SVG with the specified style.
+  logoSvg = style: pkgs.writeText "logo.svg" (logoSvg style);
+
+  # Create a PNG of the TVL logo with the specified style and DPI.
+  logoPng = style: dpi: pkgs.runCommandNoCC "logo.png" { } ''
+    ${pkgs.inkscape}/bin/inkscape \
+      --export-area-drawing \
+      --export-background-opacity 0 \
+      --export-dpi ${toString dpi} \
+      ${self.logoSvg style} -o $out
+  '';
+
+  # Animated dark SVG logo with all colours.
+  pastelRainbow = self.logoSvg (darkCss (animatedCss (lib.attrValues palette)));
+}
+
+  # Add individual outputs for static dark logos of each colour.
+  // (lib.mapAttrs'
+  (k: v: lib.nameValuePair "${k}Png"
+    (self.logoPng (darkCss (staticCss v)) 96))
+  palette)))
diff --git a/web/tvl/logo/logo-shapes.svg b/web/tvl/logo/logo-shapes.svg
new file mode 100644
index 000000000000..d35971e0a91a
--- /dev/null
+++ b/web/tvl/logo/logo-shapes.svg
@@ -0,0 +1,27 @@
+<polygon id="armchair-background" points="463 2030 567 1814 1904 1814 1978 2030 1935 2169 1720 2155 1590 2311 873 2305 778 2142 570 2186"/>
+<g class="structure">
+  <path id="virusbody" d="M 707.524,1820.74 701.038,1401.58 970,1100 h 542 l 271.37,310.47 -16.99,419.17 -295.93,284.34 -445.46,-4.15 z"/>
+</g>
+<g class="structure" id="lambdas">
+  <!-- virus lambdas and feet, clockwise starting at the top left -->
+  <path id="topleft" d="m 1002,1045 38,75 -65,35 -140,-260 h 78 l 47,80 45,-80 h 45 l 17.39,34.968" />
+  <use id="topright" xlink:href="#topleft" transform="matrix(-1,0,0,1,2482,0)" />
+  <use id="midright" xlink:href="#topleft" transform="matrix(-0.70710678,-0.70710678,-0.70710678,0.70710678,3284.799,1331.4128)" />
+  <use id="bottomright" xlink:href="#topleft" transform="matrix(-0.25881905,-0.96592583,-0.96592583,0.25881905,3120.6829,2438.0653)" />
+  <use id="rightfoot" xlink:href="#topleft" transform="matrix(-0.60515932,0.14752194,-0.14752194,-0.60515932,2234.5287,2616.7665)" />
+  <use id="leftfoot" xlink:href="#topleft" transform="matrix(0.60515932,0.14752194,0.14752194,-0.60515932,253.62404,2616.7665)" />
+  <use id="bottomleft" xlink:href="#topleft" transform="rotate(-75,1263.0635,1635.2798)" />
+  <use id="midleft" xlink:href="#topleft" transform="rotate(-45,1209.002,1626.9386)" />
+</g>
+<g class="structure" id="armchair">
+  <path d="M742.781 2172.23s-89.208 93.93-210.767 22.78c-121.56-71.14-124.755-220.09-47.72-318 78.865-100.24 220.899-86.94 221.229-85.38.274 1.3 247.178 196.08 328.597 260.28 16.08 12.68 25.71 20.27 25.71 20.27l-37.68 41.02s-209.519-177.76-290.729-250.45c-9.975 1.38-150.662-67.27-214.983 108.51-24.251 74.65 15.983 145.09 69.889 167.71 91.689 19.32 94.88 1.94 121.523-18.39"/>
+  <path d="M1738.4 2174.64s91.9 88.75 209.97 16.51c118.07-72.25 115.91-216.85 39.26-313.11-78.47-98.55-217.31-83.5-217.61-81.95-.26 1.29-239.43 197.97-318.3 262.8-15.58 12.8-24.9 20.46-24.9 20.46l37.4 40.26s202.73-184.66 281.29-257.92c9.78 1.23 134.36-50.54 211.78 110.07 28.32 92.64-13.71 144.64-66.18 167.81-89.5 20.38-90.29.61-116.63-19.24"/>
+  <path d="m899.02 2276.92 680.44-.32 98.56-134.61 51.64 32.46-121.94 160.78-739.1-1.03-125.507-162.22 54.172-39.79 101.735 144.73Z"/>
+  <path d="m744.143 2173.36 56.05-35.55s-44.914-79.17-102.074-8.6"/>
+  <path d="M1728.8 2176.06c-7.6 2.16-53.69-30.58-53.69-30.58s43.06-84.48 102.63-21.21c59.57 63.27-52.85 47.65-48.94 51.79Z"/>
+</g>
+<g id="letters" fill="#fefefe">
+  <path id="t" d="M970.081 1776.8c-22.214 0-40.017-6.45-53.41-19.35-13.394-12.9-20.09-30.14-20.09-51.7v-158.27h-75.95v-40.18h75.95v-75.95h44.1v75.95h107.799v40.18H940.681v158.27c0 9.15 2.695 16.58 8.085 22.3 5.39 5.72 12.495 8.57 21.315 8.57h73.499v40.18h-73.499Z"/>
+  <path id="v" d="M 1205.77 1776.8 L 1112.18 1507.3 L 1157.75 1507.3 L 1235.66 1742.99 L 1311.12 1507.3 L 1357.18 1507.3 L 1263.59 1776.8 L 1205.77 1776.8 L 1205.77 1776.8 Z"/>
+  <path id="lambda" d="M 1406.18 1776.8 L 1506.14 1511.71 L 1469.88 1419.1 L 1516.92 1419.1 L 1651.18 1776.8 L 1604.14 1776.8 L 1539.95 1601.87 L 1530.64 1571.49 L 1453.71 1776.8 L 1406.18 1776.8 Z"/>
+</g>
diff --git a/web/tvl/template/default.nix b/web/tvl/template/default.nix
new file mode 100644
index 000000000000..6b6a5b03038e
--- /dev/null
+++ b/web/tvl/template/default.nix
@@ -0,0 +1,52 @@
+{ depot, pkgs, lib, ... }:
+
+{
+  # content of the <title> tag
+  title
+  # main part of the page, usually wrapped with <main>
+, content
+  # optional extra html to inject into <head>
+, extraHead ? null
+  # optional extra html to inject into <footer>
+, extraFooter ? null
+  # URL at which static assets are located
+, staticUrl ? "https://static.tvl.fyi/${depot.web.static.drvHash}"
+}@args:
+
+let
+  inherit (pkgs) runCommandNoCC lib;
+  inherit (depot.tools) cheddar;
+in
+
+runCommandNoCC "${lib.strings.sanitizeDerivationName title}-index.html"
+{
+  headerPart = ''
+    <!DOCTYPE html>
+    <head>
+      <meta charset="utf-8">
+      <meta name="viewport" content="width=device-width, initial-scale=1">
+      <meta name="description" content="The Virus Lounge">
+      <link rel="stylesheet" type="text/css" href="${staticUrl}/tvl.css" media="all">
+      <link rel="icon" type="image/webp" href="${staticUrl}/favicon.webp">
+      <link rel="alternate" type="application/atom+xml" title="Atom Feed" href="https://tvl.fyi/feed.atom">
+      <title>${title}</title>
+  '' + lib.optionalString (args ? extraHead) extraHead + ''
+    </head>
+    <body class="light">
+  '';
+
+  inherit content;
+
+  footerPart = ''
+      <hr>
+      <footer>
+        ${depot.web.tvl.footer args}
+      </footer>
+    </body>
+  '';
+
+  passAsFile = [ "headerPart" "content" "footerPart" ];
+} ''
+  ${cheddar}/bin/cheddar --about-filter content.md < $contentPath > rendered.html
+  cat $headerPartPath rendered.html $footerPartPath > $out
+''
diff --git a/web/tvl/tvl.dot b/web/tvl/tvl.dot
new file mode 100644
index 000000000000..b28c529e0c3a
--- /dev/null
+++ b/web/tvl/tvl.dot
@@ -0,0 +1,172 @@
+digraph tvl {
+  node [fontname = "JetBrains Mono"];
+  overlap = false;
+  splines = polyline;
+
+  TVL [style="bold" href="http://tvl.fyi"];
+  tazjin -> TVL [style="bold"];
+
+  // people
+  subgraph {
+    Irenes [href="https://www.pluralpride.com/"];
+    adisbladis [href="http://nixos.expert/"];
+    andi [label="andi-" href="https://andreas.rammhold.de/"];
+    anon1 [color="grey" fontcolor="grey"];
+    aurora [href="https://nonegenderleftfox.aventine.se/"];
+    benjojo [href="https://benjojo.co.uk/"];
+    cynthia [href="https://cynthia.re/"];
+    edef [href="https://edef.eu/files/edef.hs"];
+    ericvolp [href="https://ericv.me"];
+    espes;
+    eta [href="https://theta.eu.org/"];
+    firefly [href="http://firefly.nu/"];
+    flokli [href="https://flokli.de/"];
+    fzakaria [href="https://fzakaria.com/"];
+    ghuntley [href="https://ghuntley.com/"];
+    grfn [href="http://gws.fyi"];
+    htbf [href="https://htbf.dev/"];
+    implr [href="https://twitter.com/implring"];
+    isomer [href="https://www.lorier.net/"];
+    jusrin [href="https://jusrin.dev/"];
+    kn;
+    lassulus;
+    leah2 [href="https://leahneukirchen.org/"];
+    lukegb [href="https://lukegb.com/"];
+    marcusr [href="http://marcus.nordaaker.com/"];
+    mdjnsn;
+    ncl;
+    nikky [href="http://nikky.moe/"];
+    nyanotech [href="https://twitter.com/nyanotech"];
+    poigon;
+    Profpatsch [href="http://profpatsch.de/"];
+    qyliss [href="https://alyssa.is"];
+    seven [href="https://open.spotify.com/user/so7"];
+    spacekookie [href="https://spacekookie.de/"];
+    sterni [href="https://sterni.lv/"];
+    tazjin [href="https://tazj.in/"];
+    wpcarro [href="https://wpcarro.dev/"];
+    yuuko;
+  }
+
+  // companies (blue)
+  subgraph {
+    node [color="#4285f4" fontcolor="#4285f4"];
+    spotify [href="https://www.spotify.com/"];
+    google [href="https://www.google.com/"];
+  }
+
+  // communities? (red)
+  subgraph {
+    node [color="#db4437" fontcolor="#db4437"];
+    eve [href="https://www.eveonline.com/"];
+    nix [href="https://nixos.org/nix/"];
+    ircv3 [href="https://ircv3.net/"];
+    lgbtslack [label="lgbt.tech" href="https://lgbtq.technology/"];
+    muccc [label="µccc" href="https://muc.ccc.de/"];
+    afra [label="AfRA" href="https://afra-berlin.de/"];
+  }
+
+  // special
+  subgraph {
+    baby [color="pink" fontcolor="pink" href="https://cynthia.re/s/baby"];
+    unspecific [color="grey" fontcolor="grey"];
+  }
+
+  // primary edges (how did they end up in TVL?)
+  subgraph {
+    // Direct edges
+    nix -> tazjin;
+    spotify -> tazjin;
+    google -> tazjin;
+    eve -> tazjin;
+    unspecific -> tazjin;
+    edef -> tazjin;
+
+    // via nix
+    adisbladis -> nix;
+    jusrin -> nix;
+    ghuntley -> nix;
+    flokli -> nix;
+    andi -> nix;
+    Profpatsch -> nix;
+    lassulus -> nix;
+
+    // via edef
+    benjojo -> edef;
+    espes -> edef;
+    firefly -> edef;
+    leah2 -> aurora;
+    ncl -> edef;
+    qyliss -> edef;
+
+    // via spotify
+    seven -> spotify;
+
+    // via google
+    htbf -> google;
+    Irenes -> google;
+    isomer -> google;
+    lukegb -> google;
+    wpcarro -> google;
+    fzakaria -> google;
+    mdjnsn -> google;
+
+    // random primary
+    grfn -> wpcarro;
+    anon1 -> google;
+    aurora -> eve;
+    cynthia -> benjojo;
+    eta -> anon1;
+    ericvolp -> lukegb;
+    marcusr -> unspecific;
+    poigon -> eve;
+    implr -> lukegb;
+    afra -> unspecific;
+    nikky -> afra;
+    spacekookie -> qyliss;
+    kn -> flokli;
+    sterni -> Profpatsch;
+    yuuko -> ncl;
+  }
+
+  // secondary edges (how are they connected otherwise?)
+  subgraph {
+    edge [weight=0 style="dotted" color="grey" arrowhead="none"];
+
+    // lgbt slack
+    aurora -> lgbtslack;
+    leah2 -> lgbtslack;
+    edef -> lgbtslack;
+
+    // ircv3
+    eta -> ircv3;
+    firefly -> ircv3;
+
+    // µccc
+    leah2 -> muccc;
+
+    // random
+    leah2 -> edef;
+    lukegb -> isomer;
+    eta -> firefly;
+    cynthia -> firefly;
+    cynthia -> lukegb;
+    implr -> google;
+    nyanotech -> google;
+    lukegb -> benjojo;
+    espes -> benjojo;
+    espes -> aurora;
+    qyliss -> nix;
+    grfn -> nix;
+    edef -> nix;
+    spacekookie -> afra;
+    qyliss -> afra;
+  }
+
+  // baby
+  subgraph {
+    edge [weight=0 style="dotted" color="pink" arrowhead="none"];
+    cynthia -> baby;
+    eta -> baby;
+  }
+}