Setting up user registration

Let's start with adding the functionality to sign up users to our app.

Creating a User model

We don't have a collection yet to manage the users. We will have three parameters in our User model: name, email, and password. Let's go ahead and create our User model called User.js in the models directory:

const mongoose = require('mongoose');

const Schema = mongoose.Schema;
const UserSchema = new Schema({
  name: String,
  email: String,
  password: String,
});

const User = mongoose.model('User', UserSchema);
module.exports = User;

As you can see, the following are the three attributes for the user: name, email, and password. 

Installing bcryptjs

Now, we cannot save these user's passwords in plain text, so we will need a mechanism to encrypt them. Fortunately, we already have a package designed to encrypt passwords, which is bcryptjs. Let's first add this package to our application:

$ npm install bcryptjs --save

When the package is installed, let's add the initialization...