This container can be pulled via:
  docker pull registry.opensuse.org/home/nbelouin/factorytesting/images/edge-image-builder:1.1.0
  docker pull registry.opensuse.org/home/nbelouin/factorytesting/images/edge-image-builder:1.1.0-1.9

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.