This container can be pulled via:
  docker pull registry.opensuse.org/home/fcrozat/matryoshka/containerfile/bci/openjdk:11
  docker pull registry.opensuse.org/home/fcrozat/matryoshka/containerfile/bci/openjdk:11.0.11
  docker pull registry.opensuse.org/home/fcrozat/matryoshka/containerfile/bci/openjdk:11.0.11.4.48

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.