This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/tumbleweed/containerfile/opensuse/postgres:12
  docker pull registry.opensuse.org/devel/bci/tumbleweed/containerfile/opensuse/postgres:12-189.5
  docker pull registry.opensuse.org/devel/bci/tumbleweed/containerfile/opensuse/postgres:12.20

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.