Performance

How to Profile a Go Application: The Complete pprof Guide

How to use Go's pprof toolchain to profile CPU, memory, goroutines, block, and mutex — collect profiles safely in production and act on what you find.

The PostgreSQL Query Optimization Guide We Wish We Had at the Start

A practical, no-fluff guide to optimizing slow PostgreSQL queries. Covers EXPLAIN ANALYZE, index strategies, N+1 detection, and the 80/20 fixes that actually move the needle.