This container can be pulled via:
  docker pull registry.opensuse.org/home/dancermak/bci/tumbleweed/containerfile/suse/postgres:13
  docker pull registry.opensuse.org/home/dancermak/bci/tumbleweed/containerfile/suse/postgres:13-1.4
  docker pull registry.opensuse.org/home/dancermak/bci/tumbleweed/containerfile/suse/postgres:13.8

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.