This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/opensuse/postgres:15-contrib
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/opensuse/postgres:15.18-contrib
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/opensuse/postgres:15.18-contrib-59.43

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.