This container can be pulled via:
  docker pull registry.opensuse.org/suse/templates/images/sle-15/base/images/suse/sle15:15.0
  docker pull registry.opensuse.org/suse/templates/images/sle-15/base/images/suse/sle15:15.0.1.110

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.