Go Concurrency: Goroutines, Channels, and the sync Package
How Go concurrency really works — goroutines, channels, select, sync primitives, context, and the patterns to use (and to avoid) in production code.
Golang
Go Web Frameworks Compared: Gin, Echo, and Chi
A practical, side-by-side look at Gin, Echo, and Chi — strengths, weaknesses, code style, performance, and which framework is right for your next Go API.
Building a REST API in Go with net/http (No Framework)
A practical, end-to-end tutorial for building a REST API in Go with only the stdlib — routing, middleware, JSON, validation, structured errors, and graceful shutdown.
Getting Started with Go for Backend Developers
Why Go is great for backends, the language features that matter, and how to write your first HTTP server with the standard library — written for developers fluent in another language.