Node inital Code

const express = require('express');
const mongoose = require('mongoose');
const bodyParser = require('body-Parser');
const ejs = require('ejs');
const app = express();

app.set('view engine', 'ejs');
app.use(express.static("public"));

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


mongoose.connect("mongodb://localhost:27017/wikkiDB",{useNewUrlParser: true, useUnifiedTopology: true });

app.listen(3000, function () {
    console.log("server is working");
});