server.js

require('dotenv').config();
const express = require('express');
const mongoose = require('mongoose');
const cors = require('cors');
const morgan = require('morgan');
const fs = require('fs');
const session = require('express-session');
const passport = require('passport');
const serveStatic = require('serve-static');
const history = require('connect-history-api-fallback');

const app = express();
const router = express.Router();


app.use(morgan('combined'));
app.use(express.json());
app.use(cors());
app.use(session({
  secret: process.env.SECRET,
  resave: true,
  saveUninitialized: true,
  cookie: { httpOnly: false }
}));
app.use(passport.initialize());
app.use(passport.session());

const dbHost = process.env.DB_HOST;
const dbName = process.env.DB_NAME;
const dbUser = process.env.DB_USER;
const dbPass = process.env.DB_PASSWORD;

mongoose.connect(`mongodb://${dbUser}:${dbPass}@${dbHost}/${dbName}`, function () {
    console.log('Connected to MongoDB');
  })
  .catch(err => {
    console.error('App starting error', err.stack);
    process.exit(1);
  });

fs.readdirSync("controllers").forEach(function (file) {
  if (file.substr(-3) === ".js") {
    const route = require('./controllers/' + file);
    route.controller(app);
  }
});

app.use(history());
app.use(serveStatic(__dirname + "/dist"));

router.get('/api/current_user', isLoggedIn, function(req, res) {
  if (req.user) {
    res.send({ current_user: req.user });
  } else {
    res.status(403).send({ success: false, msg: 'Unauthorized' });
  }
});

function isLoggedIn(req, res, next) {
  if (req.isAuthenticated())
    return next();
  res.redirect('/');
  console.log('Auth failed!');
}

router.get('/api/logout', function (req, res) {
  req.logout();
  res.send();
});

router.get('/', function (req, res) {
  res.json({ message: 'Welcome to Movie Rating API' });
});

const port = process.env.PORT || 8081;
app.use('/', router);
app.listen(port, function () {
  console.log(`API running on port ${port}`);
});