This container can be pulled via:
  docker pull registry.opensuse.org/home/defolos/bci/staging/sle-15-sp6/sle15-sp6-muwzg/containerfile/suse/rmt-server:2.17
  docker pull registry.opensuse.org/home/defolos/bci/staging/sle-15-sp6/sle15-sp6-muwzg/containerfile/suse/rmt-server:2.17-1.605

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.