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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

Chapter 2.  Adding User Accounts

The chat application we built in the previous chapter focused on high performance transmission of messages from the clients to the server and back again. However, the way things stand, our users have no way of knowing who they would be talking to. One solution to this problem is building some kind of sign-up and login functionality and letting our users create accounts and authenticate themselves before they can open the chat page.

Whenever we are about to build something from scratch, we must ask ourselves how others have solved this problem before (it is extremely rare to encounter genuinely original problems) and whether any open solutions or standards already exist that we can make use of. Authorization and authentication can hardly be considered new problems, especially in the world of the Web, with many different protocols out there to choose from. So how do we decide the best option to pursue? As always, we must look at this question from the point...

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