This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/bci/golang:1.21
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/bci/golang:1.21-2.64.60
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/bci/golang:oldstable
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/bci/golang:oldstable-2.64.60

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.