This container can be pulled via:
  docker pull registry.opensuse.org/home/nbelouin/factorytesting/charts/metal3-chart:999.0.0_up0.9.0
  docker pull registry.opensuse.org/home/nbelouin/factorytesting/charts/metal3-chart:999.0.0_up0.9.0-1.2

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.