This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/sle-15-sp3/containerfile/bci/dotnet-runtime:5.0
  docker pull registry.opensuse.org/devel/bci/sle-15-sp3/containerfile/bci/dotnet-runtime:5.0-7.81
  docker pull registry.opensuse.org/devel/bci/sle-15-sp3/containerfile/bci/dotnet-runtime:5.0.17
  docker pull registry.opensuse.org/devel/bci/sle-15-sp3/containerfile/bci/dotnet-runtime:5.0.17-7.81

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.