This container can be pulled via:
  docker pull registry.opensuse.org/home/sthackarajan/branches/kernel/tools/images/sle_12_sp5/kernel-build-initrd:12.5
  docker pull registry.opensuse.org/home/sthackarajan/branches/kernel/tools/images/sle_12_sp5/kernel-build-initrd:12.5.7.5
  docker pull registry.opensuse.org/home/sthackarajan/branches/kernel/tools/images/sle_12_sp5/kernel-build-initrd:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.