app.js

var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');

var open = require('open');
var bodyParser = require("body-parser");
const mongoose = require('mongoose');

mongoose.connect("mongodb://localhost:27017/signupdb", {
    useUnifiedTopology: true,
    useNewUrlParser: true
});
var db = mongoose.connection;
db.on('error', console.log.bind(console, "Connection error"));
db.once('open', function (callback) {
    console.log("Connection succeeded");
})

var app = express();

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', indexRouter);
app.use('/users', usersRouter);

module.exports = app;

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
    extended: true
}));

app.post('/signup', function (req, res) {
    var name = req.body.name;
    var email = req.body.email;
    var phone = req.body.phone;
    var event = req.body.event;
    var group = req.body.group;
    var time = req.body.time;
    var work = req.body.work;

    var data = {
        "name": name,
        "email": email,
        "phone": phone,
        "event": event,
        "group": group,
        "time": time,
        "work": work
    }
    db.collection('details').insertOne(data, function (err, collection) {
        if (err) throw err;
        console.log(data + "Record inserted Successfully");
    });
    return res.redirect('signup_success.html');
})

open('http://localhost:3000');