This container can be pulled via:
  docker pull registry.opensuse.org/home/drinkybird/images/containers/thirty:latest
  docker pull registry.opensuse.org/home/drinkybird/images/containers/thirty:null.289.6e0e61f16319
  docker pull registry.opensuse.org/home/drinkybird/images/containers/thirty:null.289.6e0e61f16319.1.71

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.