Hands-On Full-Stack Web Development with GraphQL and React

Setting up Express.js

As always, we need a root file loaded with all the main components that combines them to a real application.

Create an index.js file in the server folder. This file is the starting point for the back end. Here's how we go about it:

1. First, we import express from node_modules, which we just installed. We can use import here since our back end gets transpiled by Babel. We are also going to set up webpack for the server-side code in a later in Chapter 9, Implementing Server-Side Rendering.

import express from 'express';

2. We initialize the server with the express command. The result is stored in the app variable. Everything our back end does is executed through this object.

const app = express();

3. Then, we specify the ...