server.js

// Requiring necessary npm packages
var express = require('express');
var session = require('express-session');
// Requiring passport as we've configured it
var passport = require('./config/passport');
var Handlebars = require('handlebars');
var exphbs = require('express-handlebars');
var { allowInsecurePrototypeAccess } = require('@handlebars/allow-prototype-access');

// Setting up port and requiring models for syncing
var PORT = process.env.PORT || 8080;
var db = require('./models');

// Creating express app and configuring middleware needed for authentication
var app = express();
app.use(express.urlencoded({ extended: true }));
app.use(express.json());
app.use(express.static('public'));
// We need to use sessions to keep track of our user's login status
app.use(session({ secret: 'keyboard cat', resave: true, saveUninitialized: true }));
app.use(passport.initialize());
app.use(passport.session());

// Set Handlebars as the default templating engine.
app.engine('handlebars', exphbs({
  handlebars: allowInsecurePrototypeAccess(Handlebars),
  defaultLayout: 'main' }
));
app.set('view engine', 'handlebars');

// Requiring our routes
require('./controllers/html-routes.js')(app);
require('./controllers/api-routes.js')(app);

// Syncing our database and logging a message to the user upon success
db.sequelize.sync().then(function() {
  app.listen(PORT, function() {
    console.log('==> 🌎  Listening on port %s. Visit http://localhost:%s/ in your browser.', PORT, PORT);
  });
});