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Today, we will go through the process of setting up a simple HTTP/3 server and verifying its functionality. We will be using quic-go for for this purpose. Generating Certificate Since HTTP/3 requires all traffic to be encrypted, we’ll need a certificate. For our test, we can generate a self-signed TLS certificate for localhost. Go has a build-in tool, which you can run like this: go run $(go env GOROOT)/src/crypto/tls/generate_cert.go --host localhost $(go env GOROOT) will evaluate to the GOROOT path for whatever version of Go you are using. ...

This part is mostly about gut feelings. When you are writing tests or updating the code and something feels wrong, that is a sign that this is a test smell. Tests should be your helpers; you should work with them, not against them. Tests are your guide for safe refactoring. Tests should enable refactoring, not prevent it. If it seems you are changing internals but need to rewrite the tests, the tests are not testing the behavior, but rather the implementation. ...

This page is a collection of useful links about Go. Getting started Tutorial: Get started with Go - Start here. Effective Go - Continue here. Documentation Documentation - Page with links to official documentation. Managing Go installation - Installing additional Go versions. Go Wiki Go Wiki: Home - It is a collection of information about Go and a curated list of articles about Go. Go Wiki: All Wiki Pages - All articles. Selected Code Review Comments - Common mistakes and best practices when writing code. Test Comments - Common mistakes and best practices when writing tests. The Go Blog Strings, bytes, runes and characters in Go - Difference between string, []byte, rune , UTF-8 and how to iterate over them. Blog Index - All articles. Style guides Uber Go Style Guide Google Go Style Guide Containers Multi-Stage builds - Multistage builds with Go. Organizing code Organizing a Go module - Official one. Go Project Layout - It is not an official one, but it can be used to gather ideas on where to put some exotic parts of the repo. Basic structures internals How Go Arrays Work Slices in Go Go Maps Explained Golang Defer Concurrency primitives Go sync.Mutex: Normal and Starvation Mode Go sync.WaitGroup and The Alignment Problem Go sync.Pool and the Mechanics Behind It Go sync.Cond, the Most Overlooked Sync Mechanism Go Singleflight Melts in Your Code, Not in Your DB Other How I write HTTP services in Go after 13 years - Good ideas around building production quality Go HTTP services. Go Concurrency Patterns: Pipelines and cancellation - How to write a concurrent pipeline. Pipeline with errgroup package Package rheos provides generalized approach for this pattern. Ultimate Visual Guide to Go Enums and iota - All about Enums and iota. Using ldflags to Set Version Information for Go Applications - Injecting stuff during build time. v2 and Beyond - how to release a new major version: Go Modules: v2 and Beyond A pragmatic guide to Go module updates Go Error Propagation and API Contracts - TLDR; Errors are the part of your public interface too. Graceful Shutdown in Go: Practical Patterns - Handling signals for graceful shutdowns. Finding unreachable functions with deadcode