I built an HTTP server from scratch in Python to learn how HTTP really works
A step-by-step build of an HTTP/1.1 server in standard library Python, covering requests, routing, keep-alive, caching, and common security traps.

A step-by-step build of an HTTP/1.1 server in standard library Python, covering requests, routing, keep-alive, caching, and common security traps.

Why passing user-supplied avatar URLs to @vercel/og creates a critical SSRF vulnerability, and how to build a 5-layer defense in V8 Edge runtimes with magic byte validation and bounded streaming.

Community reach, domain authority, or monetization — which platform actually serves software engineers in 2026?

Heading toward a $60/month Vercel bill I couldn't predict. Now at $14/month on a VPS I control completely.
