This container can be pulled via:
  docker pull registry.opensuse.org/home/nbelouin/factory157/charts/metal3:999.0.12_up0.12.2
  docker pull registry.opensuse.org/home/nbelouin/factory157/charts/metal3:999.0.12_up0.12.2-6.3

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.