server.js

require('./config/config');
require('./config/passportConfig');

let express = require('express'),
	path = require('path'),
	mongoose = require('mongoose'),
	cors = require('cors'),
	bodyParser = require('body-parser'),
	dbConfig = require('./database/db'),
	passport = require('passport');

// Connecting with mongo db
mongoose.Promise = global.Promise;
mongoose.connect(dbConfig.db, {
   	useNewUrlParser: true
}).then(() => {
      console.log('Database sucessfully connected')
   	},
   error => {
      console.log('Database could not connected: ' + error)
   	}
)

// Setting up port with express js
const appRoute = require('../server/routes/app.route')
const app = express();
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
   extended: false
}));
var corsOptions = {
  origin: 'https://dino-friends.netlify.app',
  optionsSuccessStatus: 200
}

app.use(cors(corsOptions));
app.use(passport.initialize());
app.use(express.static(path.join(__dirname, 'dist/')));
app.use('/', express.static(path.join(__dirname, 'dist/')));
app.use('/api', appRoute)

// Create port
const port = process.env.PORT || 4000;
const server = app.listen(port, () => {
  console.log('Connected to port ' + port)
})


// error handler
app.use(function (err, req, res, next) {
  console.error(err.message); // Log error message in our server's console
  if (!err.statusCode) err.statusCode = 500; // If err has no specified error code, set error code to 'Internal Server Error (500)'
  res.status(err.statusCode).send(err.message); // All HTTP requests must have a response, so let's send back an error with its status code and message
});