This container can be pulled via:
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp5/containerfile/bci/dotnet-runtime:6.0
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp5/containerfile/bci/dotnet-runtime:6.0-1.139
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp5/containerfile/bci/dotnet-runtime:6.0.21
  docker pull registry.opensuse.org/home/dirkmueller/bci/cr/sle-15-sp5/containerfile/bci/dotnet-runtime:6.0.21-1.139

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.