This container can be pulled via:
  docker pull registry.opensuse.org/home/michals/popelnice/sle_12_sp5/foobar:12.5
  docker pull registry.opensuse.org/home/michals/popelnice/sle_12_sp5/foobar:12.5.10.42
  docker pull registry.opensuse.org/home/michals/popelnice/sle_12_sp5/foobar:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.