This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/slcc/production/containerfile/slcc/production/golang:1.21
  docker pull registry.opensuse.org/devel/bci/slcc/production/containerfile/slcc/production/golang:1.21-2.1.1
  docker pull registry.opensuse.org/devel/bci/slcc/production/containerfile/slcc/production/golang:oldstable
  docker pull registry.opensuse.org/devel/bci/slcc/production/containerfile/slcc/production/golang:oldstable-2.1.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.