This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/tumbleweed/containerfile/opensuse/bci/openjdk-devel:21
  docker pull registry.opensuse.org/devel/bci/tumbleweed/containerfile/opensuse/bci/openjdk-devel:21.0.6.0
  docker pull registry.opensuse.org/devel/bci/tumbleweed/containerfile/opensuse/bci/openjdk-devel:21.0.6.0-206.7

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.