HTTP Server in Node.js

From the Node.js Core Modules cheat sheet · HTTP & HTTPS · verified Jul 2026

HTTP Server

Create HTTP servers to handle web requests

javascript

const http = require('http');

// Create server
const server = http.createServer((req, res) => {
  res.writeHead(200, { 'Content-Type': 'text/plain' });
  res.end('Hello World');
});

server.listen(3000, () => {
  console.log('Server running on port 3000');
});

🟢 Essential - Foundation of web servers in Node.js

💡 Use Express.js for production applications

📌 Server emits events: request, connection, close

⚡ Use cluster module for multi-core utilization

⚠️ Handle server errors to prevent crashes

🔗 Related: https module for SSL/TLS

More Node.js tasks

HTTP Client Requests

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