server.js

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/routes')

// connect to mongodb
mongoose.connect('mongodb://localhost:27017/contactlist',{useNewUrlParser: true});

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

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


// port no
const port = 3000;

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

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


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



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

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

app.listen(port,()=>{
    console.log('server started at port: '+port);
});