This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/sle-15-sp7/containerfile/bci/kiwi:9
  docker pull registry.opensuse.org/devel/bci/sle-15-sp7/containerfile/bci/kiwi:9.24
  docker pull registry.opensuse.org/devel/bci/sle-15-sp7/containerfile/bci/kiwi:9.24.43
  docker pull registry.opensuse.org/devel/bci/sle-15-sp7/containerfile/bci/kiwi:9.24.43-21.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.