Aaron Torres - Go Cookbook

BIRMINGHAM - MUMBAI

Copyright 2017 Packt Publishing

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First published: June 2017

Production reference: 1240617

ISBN 978-1-78328-683-6

www.packtpub.com

Aaron Torres received his master's of science degree in computer science from New Mexico Institute of Mining and Technology. He has worked on distributed systems in high performance computing and in large-scale web and microservices applications. He currently leads a team of Go developers that refines and focuses on Go best practices with an emphasis on continuous delivery and automated testing.

Aaron has published a number of papers and has several patents in the area of storage and I/O. He is passionate about sharing his knowledge and ideas with others. He is also a huge fan of the Go language and open source for backend systems and development.

Julien Da Silva is a software engineer and architect specializing in scalable, distributed systems. Previously at Hailo, he was a part of the team that built its Golang platform, which is widely recognized as one of the early successful implementations of microservices. Hailo was later acquired by MyTaxi in 2016. He is currently working as a core architect at LastMileLink, part of CitySprint group, UK leader in same day courier services.

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Thank you for choosing this book! I hope it will be a handy reference for developers to quickly look up Go development patterns. It is meant to be a companion to other resources and a reference that will hopefully be useful long after reading it once. Each recipe in this book includes working, simple, and tested code that can be used as a reference or foundation for your own applications. The book covers a range of content from basic to advanced topics.

, I/O and File Systems, covers common Go I/O interfaces and explores working with filesystems. This includes temporary files, templates, and CSV files.

, Command-Line Tools, looks at taking in user input via a command line and explores processing common datatypes such as TOML, YAML, and JSON.

, Data Conversion and Composition, demonstrates methods for casting and converting between Go interfaces and data types. It also showcases encoding strategies and some functional design patterns for Go.

, Error Handling in Go, showcases strategies to handle errors in Go. It explores how to pass errors, handle them, and log them.

, All about Databases and Storage, deals with various storage libraries for accessing data storage systems such as MySQL. It also demonstrates the use of interfaces to decouple your library from your application logic.

, Web Clients and APIs, implements Go HTTP client interfaces, REST clients, OAuth2 clients, decorating and extending clients, and GRPC.

, Microservices for Applications in Go, explores web handlers, passing in a state to a handler, validation of user input, and middleware.

, Testing, focuses on mocking, test coverage, fuzzing, behavior testing, and helpful testing tools.

, Parallelism and Concurrency, provides a reference for channels and async operations, atomic values, Go context objects, and channel state management.