Create React App is an awesome way to get started with React. It creates a project structure for you, all set up and ready to go. You get to skip the configuration of Webpack and Babel, and get right down to writing your app. In this post we’ll set up a React app alongside an Express backend app, and wire up the UI to fetch some data from the backend.

Read the guid here: https://daveceddia.com/create-react-app-express-backend/