Go Books

Learn Go guided by tests. Write a test, learn a new Go language feature to make it pass, refactor and repeat. You'll get a grounding in test-driven development and importantly understand the principles behind it.

This book helps Javascripters become Gophers. Outlining the differences between these languages makes it easier to switch back and forth, and can help mitigate potential issues when doing so.

A online book to start learning Golang. It features numerous exercises (and answers).

Go is a popular choice for writing DevOps and systems programs, and command-line tools in particular. How can we write simple, powerful, idiomatic, and even beautiful tools in Go? This book covers all the necessary techniques: functional options, flags and arguments, files and filesystems, executing commands, writing shells and pipelines, JSON and YAML wrangling, and even sophisticated API clients. Even more importantly, the book teaches you how to think like a master software engineer: how to break down problems into manageable chunks, how to test functions before they're written, and how to design Go CLIs that delight users.

Go by Example is a practical guide to writing high-quality code that's easy to test and maintain. The book is full of best practices to adopt and anti-patterns to dodge. It explores what makes Go so dramatically different from other languages, and how you can still leverage your existing skills into writing excellent Go code. Aimed at Go beginners looking to graduate to serious Go development, you'll write and test command line applications, web API clients and servers, concurrent programs, and more.

Gin is a high-performance HTTP web framework used to build web applications and microservices in Go. This book is designed to teach you the ins and outs of the Gin framework with the help of practical examples. You'll start by exploring the basics of the Gin framework, before progressing to build a real-world RESTful API. Along the way, you'll learn how to write custom middleware and understand the routing mechanism, as well as how to bind user data and validate incoming HTTP requests. The book also demonstrates how to store and retrieve data at scale with a NoSQL database such as MongoDB, and how to implement a caching layer with Redis. Next, you'll understand how to secure and test your API endpoints with authentication protocols such as OAuth 2 and JWT. Later chapters will guide you through rendering HTML templates on the server-side and building a frontend application with the React web framework to consume API responses. Finally, you'll deploy your application on Amazon Web Services (AWS) and learn how to automate the deployment process with a continuous integration and continuous delivery (CI/CD) pipeline. By the end of this Gin book, you will be able to design, build, and deploy a production-ready distributed application from scratch using the Gin framework.

This book is a compilation of practical examples, lessons and techniques for Go developers. The topics cover the software lifecycle from learning the fundamentals, to software testing, to distribution and monitoring. - Learn unit testing - Make lovely CLIs - Monitor services - Release with GitHub Actions - Ship it with Docker - Work out Goroutines

Free Go with the Domain is a book on building Go applications that solve complex problems in an idiomatic way. It features techniques like Domain-Driven Design, Clean Architecture, CQRS (Command Query Responsibility Segregation), and other patterns. The book is based on a real open source project. Chapters go through refactoring of the project to show common anti-patterns and how to avoid them.

Free

The Go ecosystem is helping developers to build distributed and scalable systems efficiently. If you plan to jump into this fascinating world, you must know how Go can help you to build REST APIs, use SQL/NoSQL databases, data streaming platforms, gRPC, design your own CLIs, or how to log your programs efficiently just to mention a few. Build Systems with GO: Everything a Gopher Must Know is split into two blocks: the first explores the Go language and its standard library, the second one provides the reader with examples and explanations of the most powerful libraries to be used in any Go development. With more than 200 detailed and straight-forward examples available at GitHub, this book helps early adopters and experienced developers to have a real view of what a system built with Go looks like.

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