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- npm install passport, passport-local, passport-local-mongoose, es6-promisify
1. Require mongoose, passport and es6-promisify into app.js
2. Created a handlers folder and created a file "passport.js".
  - This file is used to configure the passport strategy
  - Require passport, mongoose, and the model
    - const passport = require('passport');
    - const mongoose = require('mongoose');
    - const User = mongoose.model('User');
  - Create Strategy
    - passport.use(User.createStrategy());
  - Tell passport what to do with the actual User
    - passport.serializeUser(User.serializeUser());
    - passport.deserializeUser(User.deserializeUser());
3. Require /handlers/passport.js into app.js
4. Initialize two methods from passport into app.js
  - app.use(passport.initialize());
  - app.use(passport.session());
5. Create the User Schema
  - /models/User.js