This container can be pulled via:
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp6/containerfile/suse/pcp:5
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp6/containerfile/suse/pcp:5-1.310
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp6/containerfile/suse/pcp:5.3
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp6/containerfile/suse/pcp:5.3-1.310
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp6/containerfile/suse/pcp:5.3.7
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp6/containerfile/suse/pcp:5.3.7-1.310

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.