This container can be pulled via:
  docker pull registry.opensuse.org/home/nbelouin/factorynmctest/images/edge-image-builder:1.2.0
  docker pull registry.opensuse.org/home/nbelouin/factorynmctest/images/edge-image-builder:1.2.0-1.22

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.