This container can be pulled via:
  docker pull registry.opensuse.org/home/dancermak/branches/devel/bci/tumbleweed/release/containers/opensuse/registry:2.8
  docker pull registry.opensuse.org/home/dancermak/branches/devel/bci/tumbleweed/release/containers/opensuse/registry:2.8-1.2
  docker pull registry.opensuse.org/home/dancermak/branches/devel/bci/tumbleweed/release/containers/opensuse/registry:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.