Node.js 8 the Right Way

Serving APIs with Express

In this section, you’ll develop a minimal Hello World application using Express to cover the basics, then we’ll move on to something more substantial. Since this project will be short-lived, we won’t bother with creating a package.json file.

To begin, create a directory called hello to hold the application, and open a terminal to this directory. Next, install Express and Morgan (a logging utility).

$ npm install express@4.14.1 morgan@1.8.1

With those modules installed, open a text editor and enter the following:

web-services/hello/server.js

'use strict';
const express = require('express');
const morgan = require('morgan');

const app = express();

app.use(morgan('dev'));

app. ...