This container can be pulled via:
  docker pull registry.opensuse.org/home/bmanojlovic/geo/containers/postgresql11:11.21
  docker pull registry.opensuse.org/home/bmanojlovic/geo/containers/postgresql11:11.21-11.1567
  docker pull registry.opensuse.org/home/bmanojlovic/geo/containers/postgresql11:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.