This container can be pulled via:
  docker pull registry.opensuse.org/home/jsmeix/branches/opensuse/templates/images/tumbleweed/containers/suse/alp/workloads/cups:2.4.2
  docker pull registry.opensuse.org/home/jsmeix/branches/opensuse/templates/images/tumbleweed/containers/suse/alp/workloads/cups:2.4.2.14.1
  docker pull registry.opensuse.org/home/jsmeix/branches/opensuse/templates/images/tumbleweed/containers/suse/alp/workloads/cups:latest