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diff --git a/tools/nixery/docs/src/nixery.md b/tools/nixery/docs/src/nixery.md new file mode 100644 index 000000000000..7b78ddf5aaf8 --- /dev/null +++ b/tools/nixery/docs/src/nixery.md @@ -0,0 +1,84 @@ + + +------------ + +Welcome to this instance of [Nixery][]. It provides ad-hoc container images that +contain packages from the [Nix][] package manager. Images with arbitrary +packages can be requested via the image name. + +Nix not only provides the packages to include in the images, but also builds the +images themselves by using a special [layering strategy][] that optimises for +cache efficiency. + +For general information on why using Nix makes sense for container images, check +out [this blog post][layers]. + +## Demo + +<script src="https://asciinema.org/a/262583.js" id="asciicast-262583" async data-autoplay="true" data-loop="true"></script> + +## Quick start + +Simply pull an image from this registry, separating each package you want +included by a slash: + + docker pull nixery.dev/shell/git/htop + +This gives you an image with `git`, `htop` and an interactively configured +shell. You could run it like this: + + docker run -ti nixery.dev/shell/git/htop bash + +Each path segment corresponds either to a key in the Nix package set, or a +meta-package that automatically expands to several other packages. + +Meta-packages **must** be the first path component if they are used. Currently +there are only two meta-packages: +- `shell`, which provides a `bash`-shell with interactive configuration and + standard tools like `coreutils`. +- `arm64`, which provides ARM64 binaries. + +**Tip:** When pulling from a private Nixery instance, replace `nixery.dev` in +the above examples with your registry address. + +## FAQ + +If you have a question that is not answered here, feel free to file an issue on +Github so that we can get it included in this section. The volume of questions +is quite low, thus by definition your question is already frequently asked. + +### Where is the source code for this? + +Over [on Github][Nixery]. It is licensed under the Apache 2.0 license. Consult +the documentation entries in the sidebar for information on how to set up your +own instance of Nixery. + +### Which revision of `nixpkgs` is used for the builds? + +The instance at `nixery.dev` tracks a recent NixOS channel, currently NixOS +20.09. The channel is updated several times a day. + +Private registries might be configured to track a different channel (such as +`nixos-unstable`) or even track a git repository with custom packages. + +### Should I depend on `nixery.dev` in production? + +While we appreciate the enthusiasm, if you would like to use Nixery in your +production project we recommend setting up a private instance. The public Nixery +at `nixery.dev` is run on a best-effort basis and we make no guarantees about +availability. + +### Is this an official Google project? + +**No.** Nixery is not officially supported by Google. + +### Who made this? + +Nixery was written by [tazjin][], but many people have contributed to Nix over +time, maybe you could become one of them? + +[Nixery]: https://github.com/tazjin/nixery +[Nix]: https://nixos.org/nix +[layering strategy]: https://storage.googleapis.com/nixdoc/nixery-layers.html +[layers]: https://grahamc.com/blog/nix-and-layered-docker-images +[tazjin]: https://github.com/tazjin |