dockerTools.buildLayeredImage: fix image with only 2 layers

A test is also added to ensure an image with 2 layers can be built.
2020-01-30 21:09:44 +01:00
parent 8539d5f48f
commit 283bcc1003
3 changed files with 14 additions and 2 deletions
@@ -238,4 +238,12 @@ rec {
    config.Cmd = [ "${pkgs.hello}/bin/hello" ];
  };

+  # 15. Create a layered image with only 2 layers
+  two-layered-image = pkgs.dockerTools.buildLayeredImage {
+    name = "two-layered-image";
+    tag = "latest";
+    config.Cmd = [ "${pkgs.hello}/bin/hello" ];
+    contents = [ pkgs.bash pkgs.hello ];
+    maxLayers = 2;
+  };
 }