Go in Practice

Practical techniques for building concurrent, cloud-native, and high performance Go applications-all accelerated with productivity-boosting AI tools.

Go in Practice, Second Edition is full of tips, tricks, best practices, and expert insights into how to get things done with Go. It builds on your existing knowledge of the Go language, introducing specific strategies you can use to maximize your productivity in day-to-day dev work.



In Go in Practice, Second Edition, you'll learn:



• Concurrency with goroutines and channels

• Web servers and microservices with event streams and websockets

• Logging, caching, and data access from environment variables and files

• Cloud-native Go applications

• AI tools to accelerate your development workflow



Go in Practice, Second Edition has been extensively revised by author Nathan Kozyra to cover the latest version of Go, along with new dev techniques, including productivity-boosting AI tools. It follows an instantly-familiar cookbook-style Problem/Solution/Discussion format, building on what you already know about Go with advanced or little-known techniques for concurrency, logging and caching, microservices, testing, deployment, and more.



Purchase of the print book includes a free eBook in PDF and ePub formats from Manning Publications.



About the technology



You've mastered the basics of Go-now what? To build production-quality Go applications, you'll need to handle concurrency, networking, file access, native communication protocols like gRPC and TCP/REST, and a host of other practical issues. Following a friendly cookbook format, this book gives you instantly-useful solutions to the problems you'll see on the job.



About the book



Go in Practice, Second Edition delivers dozens of practical techniques for writing and maintaining Go applications following a handy problem/solution/discussion format. This up-to-date revision covers the latest Go innovations, including generics, panics and other error handling tools, and modern concurrency patterns, along with advanced features like reflection and code generation. You'll also love the tips for integrating AI code completion into your development process.



What's inside



• Concurrency with goroutines and channels

• Web servers and microservices

• Logging, caching, and data access



About the reader



For intermediate developers with previous experience in Go.



About the author



Nathan Kozyra is a full-stack developer with twenty years of experience building production web and mobile applications. He's worked with Go since 2009 in both large companies and startups. Matt Butcher and Matt Farina authored the first edition of this book.



Table of Contents



Part 1

1 Getting started with Go

2 A solid foundation: Building a command-line application

3 Structs, interfaces, and generics

Part 2

4 Handling errors and panics

5 Concurrency in Go

6 Formatting, testing, debugging, and benchmarking

7 File access and basic networking

Part 3

8 Building an HTTP server

9 HTML and email template patterns

10 Sending and receiving data

11 Working with external services

Part 4

12 Cloud-ready applications and communications

13 Reflection, code generation, and advanced Go