This container can be pulled via:
  docker pull registry.opensuse.org/home/defolos/bci/cr/sle-15-sp5/containerfile/bci/openjdk:11
  docker pull registry.opensuse.org/home/defolos/bci/cr/sle-15-sp5/containerfile/bci/openjdk:11-12.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.