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Go: Design Patterns for Real-World Projects

You're reading from   Go: Design Patterns for Real-World Projects Build production-ready solutions in Go using cutting-edge technology and techniques

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Product type Course
Published in Jun 2017
Publisher Packt
ISBN-13 9781788390552
Length 1091 pages
Edition 1st Edition
Languages
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Authors (3):
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Mario Castro Contreras Mario Castro Contreras
Author Profile Icon Mario Castro Contreras
Mario Castro Contreras
Mat Ryer Mat Ryer
Author Profile Icon Mat Ryer
Mat Ryer
Vladimir Vivien Vladimir Vivien
Author Profile Icon Vladimir Vivien
Vladimir Vivien
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Toc

Table of Contents (38) Chapters Close

Go: Design Patterns for Real-World Projects
Credits
Preface
Bibliography
1. A First Step in Go FREE CHAPTER 2. Go Language Essentials 3. Go Control Flow 4. Data Types 5. Functions in Go 6. Go Packages and Programs 7. Composite Types 8. Methods, Interfaces, and Objects 9. Concurrency 10. Data IO in Go 11. Writing Networked Services 12. Code Testing 13. Ready... Steady... Go! 14. Creational Patterns - Singleton, Builder, Factory, Prototype, and Abstract Factory Design Patterns 15. Structural Patterns - Composite, Adapter, and Bridge Design Patterns 16. Structural Patterns - Proxy, Facade, Decorator, and Flyweight Design Patterns 17. Behavioral Patterns - Strategy, Chain of Responsibility, and Command Design Patterns 18. Behavioral Patterns - Template, Memento, and Interpreter Design Patterns 19. Behavioral Patterns - Visitor, State, Mediator, and Observer Design Patterns 20. Introduction to Gos Concurrency 21. Concurrency Patterns - Barrier, Future, and Pipeline Design Patterns 22. Concurrency Patterns - Workers Pool and Publish/Subscriber Design Patterns 23. Chat Application with Web Sockets 24. Adding User Accounts 25. Three Ways to Implement Profile Pictures 26. Command-Line Tools to Find Domain Names 27. Building Distributed Systems and Working with Flexible Data 28. Exposing Data and Functionality through a RESTful Data Web Service API 29. Random Recommendations Web Service 30. Filesystem Backup 31. Building a Q&A Application for Google App Engine 32. Micro-services in Go with the Go kit Framework 33. Deploying Go Applications Using Docker 1. Good Practices for a Stable Go Environment

Summary


In this chapter, we built a fully functional question and answer application for Google App Engine.

We learned how to use the Google App Engine SDK for Go to build and test our application locally before deploying it to the cloud, ready for our friends and family to use. The application is ready to scale if it suddenly starts getting a lot of traffic, and we can rely on the healthy quota to satisfy early traffic.

We explored how to model data in Go code, keep track of keys, and persist and query data in Google Cloud Datastore. We also explored strategies to denormalize such data in order to make it quicker to read back at scale. We saw how transactions can guarantee data integrity by ensuring that only one operation occurs at a particular point in time, allowing us to build reliable counters for the score of our answers. We used predictable data store keys to ensure that our users can only have one vote per answer, and we used incomplete keys when we wanted the data store to generate...

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