Tech Blog

A practical guide to a production-ready WebSocket chat server in Go — covering Hub design, broadcast patterns, and safe connection management.

How I set up a repeatable, zero-downtime deployment pipeline for my Go + Next.js stack using GitHub Actions, Docker, and a $6/month VPS.

After tuning queries from 8 seconds down to 80ms, here are the 10 techniques that moved the needle — with real EXPLAIN ANALYZE output and index trade-off tables.

My Node.js chat server hit 60% CPU at 200 concurrent users. Six weeks later the Go rewrite handles 5,000 users at 8% CPU. Here's what I learned.

The mental model shift behind RSC — where components live, how they compose with Client Components, and what this means for Next.js architecture.