This container can be pulled via:
  docker pull registry.opensuse.org/home/defolos/bci/staging/sle-15-sp5/5-1407/images/bci/bci-base:15.5
  docker pull registry.opensuse.org/home/defolos/bci/staging/sle-15-sp5/5-1407/images/bci/bci-base:15.5.1.22
  docker pull registry.opensuse.org/home/defolos/bci/staging/sle-15-sp5/5-1407/images/suse/sle15:15.5
  docker pull registry.opensuse.org/home/defolos/bci/staging/sle-15-sp5/5-1407/images/suse/sle15:15.5.1.22

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.