diff options
| -rw-r--r-- | doc/functions/dockertools.xml | 5 | ||||
| -rw-r--r-- | pkgs/build-support/docker/default.nix | 7 |
2 files changed, 8 insertions, 4 deletions
diff --git a/doc/functions/dockertools.xml b/doc/functions/dockertools.xml index 3e5b76756e2..e2ea2f7b976 100644 --- a/doc/functions/dockertools.xml +++ b/doc/functions/dockertools.xml @@ -312,7 +312,10 @@ hello latest de2bf4786de6 About a minute ago 25.2MB Maximum number of layers to create. </para> <para> - <emphasis>Default:</emphasis> <literal>24</literal> + <emphasis>Default:</emphasis> <literal>100</literal> + </para> + <para> + <emphasis>Maximum:</emphasis> <literal>125</literal> </para> </listitem> </varlistentry> diff --git a/pkgs/build-support/docker/default.nix b/pkgs/build-support/docker/default.nix index ae3d93ff3db..83e21c8945d 100644 --- a/pkgs/build-support/docker/default.nix +++ b/pkgs/build-support/docker/default.nix @@ -291,9 +291,10 @@ rec { # Files to add to the layer. closure, configJson, - # Docker has a 42-layer maximum, we pick 24 to ensure there is plenty - # of room for extension - maxLayers ? 24 + # Docker has a 125-layer maximum, we pick 100 to ensure there is + # plenty of room for extension. + # https://github.com/moby/moby/blob/b3e9f7b13b0f0c414fa6253e1f17a86b2cff68b5/layer/layer_store.go#L23-L26 + maxLayers ? 100 }: let storePathToLayer = substituteAll |