This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/suse/postgres:15
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/suse/postgres:15-140.2
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/suse/postgres:15.7
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/suse/postgres:15.7-140.2

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.