yum-nginx-api is an easy front-end API for yum repositories running on the NGINX web server. It rapidly serves updates to Red Hat and CentOS and supports scaling. It is a deployable solution with Docker or any existing web server with WSGI support. yum-nginx-api enables CI tools to be used for managing and promoting yum repositories.  https://github.com/FINRAOS/yum-nginx-api/wiki