This container can be pulled via:
  docker pull registry.opensuse.org/home/crameleon/branches/opensuse/templates/images/tumbleweed/containers/gdev/first-container:1.23.0
  docker pull registry.opensuse.org/home/crameleon/branches/opensuse/templates/images/tumbleweed/containers/gdev/first-container:latest
  docker pull registry.opensuse.org/home/crameleon/branches/opensuse/templates/images/tumbleweed/containers/opensuse/first-container:1.23.0.3.2

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.