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Go Programming Blueprints : build real-world, production-ready solutions in Go using cutting-edge technology and techniques /
Intended for seasoned Go programmers who want to put their expertise in Go to use to solve big, real-world, modern problems. With a basic understanding of channels and goroutines, you will hone your skills to build tools and programs that are quick and simple. You need not be an expert in distribute...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Birmingham, England :
Packt Publishing,
2015.
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| Colección: | Community experience distilled.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover; Copyright; Credits; About the Author; Acknowledgments; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Chat Application with Web Sockets; A simple web server; Templates; Doing things once; Using your own handlers; Properly building and executing Go programs; Modeling a chat room and clients on the server; Modeling the client; Modeling a room; Concurrency programming using idiomatic Go; Turning a room into an HTTP handler; Use helper functions to remove complexity; Creating and using rooms; Building an HTML and JavaScript chat client
- Getting more out of templatesTracing code to get a look under the hood; Writing a package using TDD; Interfaces; Unit tests; Red-green testing; Implementing the interface; Unexported types being returned to users; Using our new trace package; Making tracing optional; Clean package APIs; Summary; Chapter 2: Adding Authentication; Handlers all the way down; Making a pretty social sign-in page; Endpoints with dynamic paths; OAuth2; Open source OAuth2 packages; Tell the authentication providers about your app; Implementing external logging in; Logging in; Handling the response from the provider
- Presenting the user dataAugmenting messages with additional data; Summary; Chapter 3: Three Ways to Implement Profile Pictures; Avatars from the authentication server; Getting the avatar URL; Transmitting the avatar URL; Adding the avatar to the user interface; Logging out; Making things prettier; Implementing Gravatar; Abstracting the avatar URL process; The authentication service and the avatar's implementation; Using an implementation; Gravatar implementation; Uploading an avatar picture; User identification; An upload form; Handling the upload; Serving the images
- The Avatar implementation for local filesSupporting different file types; Refactoring and optimizing our code; Replacing concrete types with interfaces; Changing interfaces in a test-driven way; Fixing existing implementations; Global variables versus fields; Implementing our new design; Tidying up and testing; Combining all three implementations; Summary; Chapter 4: Command-line Tools to Find Domain Names; Pipe design for command-line tools; Five simple programs; Sprinkle; Exercise
- configurable transformations; Domainify; Exercise
- making top-level domains configurable; Coolify; Synonyms
- Using environment variables for configurationConsuming a web API; Getting domain suggestions; Available; Composing all five programs; One program to rule them all; Summary; Chapter 5: Building Distributed Systems and Working with Flexible Data; System design; Database design; Installing the environment; NSQ; NSQ driver for Go; MongoDB; MongoDB driver for Go; Start the environment; Votes from Twitter; Authorization with Twitter; Extracting the connection; Reading environment variables; Reading from MongoDB; Reading from Twitter; Signal channels; Publishing to NSQ