app.js

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

var index = require('./routes/index.js')
var app= express();
const port = 3000;
mongoose.connect('mongodb://localhost:27017/test2');
mongoose.connection.on('connected', ()=>{
    console.log("MongoDB working")
});
mongoose.connection.on('error', (err) => {
    if (err) {
        console.log('Error in MongoDB: ' + err);
    }
});
app.use(cors());
app.set('views', path.join(__dirname,'views'));
app.set('view engine', 'ejs');
app.engine('html', require('ejs').renderFile);
app.use(express.static(path.join(__dirname, 'client')));
app.use(bodyparser.json());
app.use(bodyparser.urlencoded({ extended: false }));
app.use('/', index);
app.listen(port, () => {
    console.log('server started at port: ' + port);
});

exports = module.exports = app;