React-Webpack would like to combine with Node express to develop a website. How do you design a website architecture project directory?

  node.js, question

React-Webpack would like to combine with Node express to develop a website. How do you design a website architecture project directory?

https://github.com/papersnake/newdenfaces-es6
This is what I used in a learning process, except that there is no gulp for webpack, but the project directory can also be consulted and taught.

Node is relatively simple. I wrote it all in server.js inside. I can also separate it into folders or files such as router controller.