This container can be pulled via:
  docker pull registry.opensuse.org/home/dirkmueller/branches/devel/kubic/containers/containerfile/opensuse/golang:1.18
  docker pull registry.opensuse.org/home/dirkmueller/branches/devel/kubic/containers/containerfile/opensuse/golang:1.18.1
  docker pull registry.opensuse.org/home/dirkmueller/branches/devel/kubic/containers/containerfile/opensuse/golang:1.18.1.2.30

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.