This container can be pulled via:
  docker pull registry.opensuse.org/home/darix/apps/containers/gitlab-runner-helper:latest
  docker pull registry.opensuse.org/home/darix/apps/containers/gitlab-runner-helper:x86_64-latest
  docker pull registry.opensuse.org/home/darix/apps/containers/gitlab-runner-helper:x86_64-v17.6.0

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.