This container can be pulled via:
  docker pull registry.opensuse.org/home/mvarlese/branches/opensuse/templates/images/tumbleweed/containers/opensuse/java:16
  docker pull registry.opensuse.org/home/mvarlese/branches/opensuse/templates/images/tumbleweed/containers/opensuse/java:16.0.0
  docker pull registry.opensuse.org/home/mvarlese/branches/opensuse/templates/images/tumbleweed/containers/opensuse/java:16.0.0.5.30

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.