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-rw-r--r--tools/nixery/build-registry-image.nix9
1 files changed, 4 insertions, 5 deletions
diff --git a/tools/nixery/build-registry-image.nix b/tools/nixery/build-registry-image.nix
index 6a5312b444d0..255f1ca9b1d0 100644
--- a/tools/nixery/build-registry-image.nix
+++ b/tools/nixery/build-registry-image.nix
@@ -29,11 +29,10 @@
   packages ? "[]",
   # Optional bash script to run on the files prior to fixturizing the layer.
   extraCommands ? "", uid ? 0, gid ? 0,
-  # Docker's lowest maximum layer limit is 42-layers for an old
-  # version of the AUFS graph driver. We pick 24 to ensure there is
-  # plenty of room for extension. I believe the actual maximum is
-  # 128.
-  maxLayers ? 24,
+  # Docker's modern image storage mechanisms have a maximum of 125
+  # layers. To allow for some extensibility (via additional layers),
+  # the default here is set to something a little less than that.
+  maxLayers ? 96,
 
   # Configuration for which package set to use when building.
   #