This container can be pulled via:
  docker pull registry.opensuse.org/isv/suse/edge/factory/totest/charts/metal3-chart:999.0.0_up0.9.0
  docker pull registry.opensuse.org/isv/suse/edge/factory/totest/charts/metal3-chart:999.0.0_up0.9.0-30.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.