This container can be pulled via:
  docker pull registry.opensuse.org/devel/kubic/containers/containerfile/opensuse/golang:1.14
  docker pull registry.opensuse.org/devel/kubic/containers/containerfile/opensuse/golang:1.14.15
  docker pull registry.opensuse.org/devel/kubic/containers/containerfile/opensuse/golang:1.14.15.2.4591

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.