Code Wrench

Jan 5, 2026 · Backend Development

Unlock Scalable Business Logic with Go Hook Pattern – A Hands‑On Guide

This article explains why tying business logic with side‑effects harms maintainability, introduces the Hook pattern as a clean extension point, and provides a complete Go implementation—including context structs, a hook manager, execution flow, usage examples, and senior‑developer best‑practice tips.