An example of assigning opencontainers annotations when building containers in GitLab CI

opencontainers-anotations.sh

# https://github.com/opencontainers/image-spec/blob/main/annotations.md

image="$REGISTRY_DOMAIN/$CI_PROJECT_ROOT_NAMESPACE/$CI_PROJECT_NAME:$CI_COMMIT_REF_NAME"

docker build \
  --file ./Dockerfile --tag "$image" \
  --label org.opencontainers.image.url="$image" \
  --label org.opencontainers.image.vendor="$CI_PROJECT_ROOT_NAMESPACE@$CI_SERVER_HOST" \
  --label org.opencontainers.image.version="$CI_COMMIT_REF_SLUG" \
  --label org.opencontainers.image.description="$CI_PROJECT_TITLE" \
  --label org.opencontainers.image.authors="$GITLAB_USER_EMAIL" \
  --label org.opencontainers.image.revision="$CI_COMMIT_SHA" \
  --label org.opencontainers.image.created="$(date -uIs)Z" .