main.js

const express = require('express'), 
app = express(); 

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

app.get('/', 
(req, res) => res.send('Dockerizing Node Application')) 

app.listen(5000, 
() => console.log(`[bootup]: Server is running at port: 5000`));