This container can be pulled via:
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp5/containerfile/suse/rmt-server:2.19
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp5/containerfile/suse/rmt-server:2.19-1.191
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp5/containerfile/suse/rmt-server:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.