Tony Helgens

Learn how to build powerful Golang CLI applications using Cobra. This step-by-step guide covers installation, commands, and best practices for your Golang CLI.

Learn how to build a Golang API server using Gorilla Mux. This guide walks you through setting up routes, handlers, and a simple REST API step by step.

When it comes to Golang testing, the built-in testing package is powerful but minimal. If you’re looking for more expressive and readable tests, Golang Testify is the most popular toolkit to extend your testing capabilities. In this guide, you’ll learn how to use Testify’s assertions, mocking tools, and test suites to make your tests more…

If you’re searching for how to write a production-ready Golang Dockerfile, you’ve likely come across the term “multi-stage build.” This technique is one of the most effective ways to keep your Go applications lean, secure, and easy to deploy. In this post, we’ll break down what multi-stage Docker builds are, why they matter, and how…

If you’re searching for a simple yet comprehensive explanation of golang channels, you’re in the right place. Channels are a core part of Go’s concurrency model, enabling goroutines to safely communicate and synchronize without shared memory. In this guide, we’ll explore how channels work, the difference between buffered and unbuffered channels, common mistakes, and idiomatic…