This container can be pulled via:
  docker pull registry.opensuse.org/home/fcrozat/opensuse-devstacks/containers_tw/opensuse/go-devel:1.16.15
  docker pull registry.opensuse.org/home/fcrozat/opensuse-devstacks/containers_tw/opensuse/go-devel:1.16.15.3.481
  docker pull registry.opensuse.org/home/fcrozat/opensuse-devstacks/containers_tw/opensuse/go-devel:16

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.