One file, one path: from package main to shipping a concurrent, observable Go service that fronts your models and never falls over. Every example is drawn from what AI engineers actually build in Go — streaming proxies, tool dispatchers, rate limiters, worker pools, context-cancelled model calls. No foo / bar filler. Companion reads: 🐍 Python for AI Developers (the sibling to this guide), 🏗️ Building High-Quality AI Agents , 🏢 Enterprise-Ready AI Agents . 📖 How to ...