This container can be pulled via:
  docker pull registry.opensuse.org/home/fcrozat/opensuse-devstacks/containers_tw/opensuse/go-devel:1.15.15
  docker pull registry.opensuse.org/home/fcrozat/opensuse-devstacks/containers_tw/opensuse/go-devel:1.15.15.3.482
  docker pull registry.opensuse.org/home/fcrozat/opensuse-devstacks/containers_tw/opensuse/go-devel:15

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.