app.js

//Server-side

// importing modules

var express = require('express');
var mongoose = require('mongoose');
var bodyparser = require('body-parser');
var cors = require('cors');
var path = require('path');



var app = express();



const route = require('./routes/route');

//connect to mongodb
mongoose.connect('mongodb://localhost:27017/contactlist');

//on connection

mongoose.connection.on('connected', () =>{
  console.log("Connected to database mongodb @ 27017");
});

mongoose.connection.on('error', (err) =>{
  if (err)
  {
    console.log('Error in databse connection: ' + err);
  }
});

//port no
const port = 3000;


//adding middleware - cors
app.use(cors()); 

//body - parser
app.use(bodyparser.json());

//static files
app.use(express.static(path.join(__dirname, 'public')));

//routes
app.use('/api', route);

//testing server
app.get('/', (req, res) => {
  res.send('foobar');
});

app.listen(port, function () {
  console.log('Server started at port:' + port);
});