This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/openjdk:15
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/openjdk:15.0.8
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/openjdk:15.0.8.4.1325

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.