RPM-Builder is a simple tool to generate .rpm files for use with Docker.
Generate CA, client and server certificates and keys (replace registry.example.com with your registry endpoint)
docker run --rm -v /tmp/rpm:/build rpm-builder registry.example.com
Generate client and server certificates and keys using an existing CA (replace registry.example.com with your registry endpoint)
docker run --rm -v /tmp/rpm:/build -v /path/to/certs:/certs rpm-builder registry.example.com --tls-ca-cert=/certs/ca.pem --tls-ca-key=/certs/ca-key.pem
this is currently a work in progress.