This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/slcs/next/containerfile/alp/bci/openjdk-devel:21
  docker pull registry.opensuse.org/devel/bci/slcs/next/containerfile/alp/bci/openjdk-devel:21-2.340

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.