This container can be pulled via:
  docker pull registry.opensuse.org/kernel/tools/images/sle_12_sp5/kernel-build:12.5
  docker pull registry.opensuse.org/kernel/tools/images/sle_12_sp5/kernel-build:12.5.5.2
  docker pull registry.opensuse.org/kernel/tools/images/sle_12_sp5/kernel-build:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.