This container can be pulled via:
  docker pull registry.opensuse.org/home/andreien/branches/opensuse/templates/images/tumbleweed/containers/opensuse/example:7.2
  docker pull registry.opensuse.org/home/andreien/branches/opensuse/templates/images/tumbleweed/containers/opensuse/example:7.2.1.1
  docker pull registry.opensuse.org/home/andreien/branches/opensuse/templates/images/tumbleweed/containers/opensuse/example:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.