Add comments pointing to the opencontainers image-spec documentation.

cisagov · Nov 2, 2020 · 223e3d5 · 223e3d5
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diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -256,6 +256,8 @@ jobs:
           platforms: ${{ env.PLATFORMS }}
           push: true
           tags: ${{ needs.prepare.outputs.tags }}
+          # For a list of pre-defined annotation keys and value types see:
+          # https://github.com/opencontainers/image-spec/blob/master/annotations.md
           labels: "\
             org.opencontainers.image.created=${{
               needs.prepare.outputs.created }}

diff --git a/Dockerfile b/Dockerfile
@@ -4,6 +4,9 @@ FROM python:3.9-alpine
 
 ARG VERSION
 
+# For a list of pre-defined annotation keys and value types see:
+# https://github.com/opencontainers/image-spec/blob/master/annotations.md
+# Note: Additional labels are added by the build workflow.
 LABEL org.opencontainers.image.authors="mark.feldhousen@cisa.dhs.gov"
 LABEL org.opencontainers.image.vendor="Cyber and Infrastructure Security Agency"