Node.js HTTP Module Guide

The HTTP module is fundamental for building web servers in Node.js. Here's how to use it effectively.

HTTP Client (Making Requests)#

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Best Practices#

Server:
✓ Handle errors properly
✓ Set appropriate timeouts
✓ Implement graceful shutdown
✓ Use streams for large data

Security:
✓ Validate input
✓ Set security headers
✓ Use HTTPS in production
✓ Limit request size

Performance:
✓ Use keep-alive
✓ Enable compression
✓ Cache responses
✓ Stream large files

Avoid:
✗ Blocking the event loop
✗ Ignoring errors
✗ Memory leaks on connections
✗ Trusting client headers

The HTTP module provides low-level control for building web servers in Node.js. While frameworks like Express abstract much of this, understanding the core module is valuable. Use it for custom servers, learning purposes, or when you need minimal dependencies. For production, consider using established frameworks that handle security, routing, and middleware out of the box.

Node.js HTTP Module Guide

Basic HTTP Server#

Request Object#

Response Object#

Routing#

Reading Request Body#

Serving Static Files#

HTTP Client (Making Requests)#

Server Events#

Keep-Alive and Timeouts#

HTTPS Server#

Streaming Response#

Graceful Shutdown#

Best Practices#

Conclusion#

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