This container can be pulled via:
  docker pull registry.opensuse.org/home/pushman/bci/cr/16.0/containerfile/suse/sles/16.0/pr-helper:1.9
  docker pull registry.opensuse.org/home/pushman/bci/cr/16.0/containerfile/suse/sles/16.0/pr-helper:1.9.0
  docker pull registry.opensuse.org/home/pushman/bci/cr/16.0/containerfile/suse/sles/16.0/pr-helper:1.9.0-3.9

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.