This container can be pulled via:
  docker pull registry.opensuse.org/devel/microos/containers/containerfile/opensuse/cups:2.4.18
  docker pull registry.opensuse.org/devel/microos/containers/containerfile/opensuse/cups:2.4.18-6.5120
  docker pull registry.opensuse.org/devel/microos/containers/containerfile/opensuse/cups:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.