This container can be pulled via:
  docker pull registry.opensuse.org/devel/factory/git-workflow/containers/opensuse/bci/golang-extended:0.1
  docker pull registry.opensuse.org/devel/factory/git-workflow/containers/opensuse/bci/golang-extended:0.1-1.1.22
  docker pull registry.opensuse.org/devel/factory/git-workflow/containers/opensuse/bci/golang-extended:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.