index.js

var express=require("express")
var bodyParser=require("body-parser")
var mongoose=require("mongoose")

const  app=express()

app.use(bodyParser.json())
app.use(express.static('public'))
app.use(bodyParser.urlencoded({
    extended:true
}))

mongoose.connect('mongodb://localhost:27017/Database')
var db=mongoose.connection
db.on('error',()=> console.log("Error in Connecting to Database"))
db.once('open',()=> console.log("Connected to Database"))

app.post("/sign_up", (req, res) => {
    var name = req.body.name;
    var age = req.body.age;
    var email = req.body.email;
    var phno = req.body.phno;
    var gender = req.body.gender;
    var password = req.body.password;

    var data = {
        "name": name,
        "age": age,
        "email": email,
        "phno": phno,
        "gender": gender,
        "password": password
    };

    db.collection('users').insertOne(data, (err, collection) => {
        if (err) {
            throw err;
        }
        console.log("Record Inserted Successfully");
    });
    return res.redirect('signup_success.html');
});

app.get("/",(req,res) => {
    res.set({
        "Allow-acces-Allow-Origin":'*'
    })
    return res.redirect('index.html')
}).listen(3007);

console.log("Listening On Port 3007")