Not OP but if you want an app in production then you want to be able to configure the http parts and script with command line tools. And if you start doing all

Not OP but if you want an app in production then you want to be able to configure the http parts and script with command line tools. And if you start doing all that then you're basically reinventing nginx. Even comparing Java, nginx still has nicer http features, such as reloading ssl certs and config without dropping connections.