I'm using uWebsocket C++ library in nodejs to make it a lot faster than vanilla nodejs. Of course you can use it to create REST API, but also websocket and even serve static files all in the same process.

Please check here: https://github.com/elestio/cloudgate/blob/master/apps/CatchA... https://github.com/elestio/cloudgate/blob/master/apps/CatchA... https://github.com/elestio/cloudgate/blob/master/apps/CatchA...