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This is a new edition of \"Web Programming with Go\" and it's designed to help both entry-level and professional developers build and launch functional web applications using Go's core libraries. Every chapter gives you practical lessons, from setting up Go projects and building strong backend routes to frontend-backend integration, session management, authentication, concurrency, and connecting external APIs.

This book is a hands-on way to learn key skills like testing, logging, error handling and performance tuning, all explained in simple, direct language. The real code and examples make it easy to understand and use the concepts. It covers nearly every major aspect of Go web development, but keeps examples straightforward and avoids complex edge cases, making it ideal for learners and practitioners who want clarity and reliable progress. You'll learn to structure projects, design backend services, manage sessions, secure authentication, and integrate external APIs with step-by-step Bookstore examples. It's got clear, practical techniques for routing, concurrency, testing, logging, performance and error handling, and it uses code that's easy to understand and explanations that are easy to follow.

Basically, this book looks at modern Go features without getting into complicated or niche scenarios, making the lessons useful for real projects. This edition makes it easy for you to get from setup to deployment by focusing on simplicity over unnecessary detail.

Key Features

Get your web projects sorted with Go, using organised code, a modular design, and real-world workflows.
You'll build, secure and test RESTful APIs using Go's net/http, Gorilla Mux and JSON best practices.
Put in place user authentication, role-based access, and strong password protection to make sure your users have a safe experience.
Get the front end and back end talking to each other by having clear API contracts and simple JSON data interchange practices.
Use Go's concurrency tools to boost performance, scale up data fetching, and avoid deadlocks.
Mock databases, APIs, and dependencies for fast, isolated, and reliable automated test routines.
Set up session management, secure cookies, and resilient authentication flows to keep users logged in.
Keep an eye on, log and trace application events to quickly find and fix problems.
Use Go's HTTP client patterns to integrate payment gateways, external APIs, and third-party services.
Come up with easy-to-understand error messages and stick to the standard incident response plans.

Table of Content

Introduction to Web Development in Go
Structuring Go Web Application
Handling HTTP Requests and Routing
Templating and Rendering Content
Interaction with Databases
Concurrency in Go
Sessions, Authentication, and Authorization
Frontend and Backend Communication
Testing and Debugging

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