GoLang Archives

Programming tutorial - IT technology blog

Building a Rate Limiter from Scratch in Go: Token Bucket Algorithm for API Protection

June 2, 2026

Building rate limiting from scratch reveals what's actually happening inside the libraries you'd normally reach for. This tutorial walks through implementing a concurrent-safe Token Bucket rate limiter in Go — from the core algorithm to HTTP middleware — with practical parameter tuning advice for production use.

DevOps

Docker Multi-stage Build and Distroless Images: Shrink Your Container to Just a Few MB

May 25, 2026

Learn how to use Docker multi-stage builds and distroless base images to shrink your container from 1 GB down to just a few MB — with real Dockerfile examples for Go, Node.js, Python, and Java. Includes security hardening tips and CVE reduction techniques for production deployments.

Programming

Go Generics Explained: Write Flexible, Reusable Code and Build Shared Libraries

May 20, 2026

Go generics, introduced in 1.18 (March 2022), solve the long-standing problem of code duplication in statically typed Go. This tutorial covers type parameters, constraints, the tilde operator, and practical examples — including a generic Set, Filter function, and TTL cache — showing how to build reusable shared libraries without sacrificing type safety.

Programming

From Script to Ship: Building Cross-Platform CLI Tools with Go and Cobra

May 15, 2026

Stop fighting 'it works on my machine.' Discover how to use Go and Cobra to build single-binary CLI tools that deploy via GitHub Actions in seconds.

Programming

Mastering the Worker Pool Pattern in Go: Handling Millions of Tasks with Controlled Concurrency

May 10, 2026

A deep dive into the Worker Pool pattern in Go, based on six months of production experience. Learn how to balance throughput and resource safety while handling millions of tasks.

Programming

Go Concurrency: Building High-Performance Systems with Goroutines and Channels

April 30, 2026

Ditch heavy OS threads for Go's lightweight Goroutines. This guide walks you through the M:N scheduler, channel synchronization, and the Worker Pool pattern with real-world examples.

Programming

Clean Architecture in Go: Build Maintainable and Scalable Go Applications

April 8, 2026

Clean Architecture in Go enforces strict dependency rules that keep business logic isolated from databases and HTTP frameworks. This guide walks through a practical Go project structure with real code examples showing how to write fast, testable, and maintainable services.

Programming

Go for Beginners: Building Fast, Efficient RESTful APIs

March 23, 2026

Learn to build robust and efficient RESTful APIs using Go. This guide, informed by real-world production usage, takes you through key steps from initial setup to ongoing monitoring.