Overview

Bun.js in Action is a practical guide for developers who want to learn Bun.js from scratch and use it to build fast, scalable backends. This book covers key topics such as TypeScript integration, API development, microservices, and real-time applications using WebSockets. You'll also explore advanced concepts like API security, working with databases, and deploying your Bun.js apps to the cloud. Each chapter is packed with real-world examples to help you quickly grasp the essentials and apply them to your own projects. Table of Contents 1. Introduction to Bun.js Overview of Bun.js and Its Ecosystem Why Use Bun.js? Benefits and Key Features Setting Up Bun.js: Installation and Configuration Running Your First Bun.js Project 2. Getting Started with Bun.js and TypeScript Introduction to TypeScript in Bun.js Setting Up a TypeScript Project Understanding TypeScript Features in Bun.js Type Safety and Development Best Practices 3. Building HTTP Servers with Bun.js Creating a Simple HTTP Server Handling Requests and Responses Routing: Defining and Managing API Endpoints Serving Static Files and Assets 4. Working with RESTful APIs in Bun.js Introduction to RESTful API Architecture Creating and Testing API Endpoints Handling HTTP Methods: GET, POST, PUT, DELETE Building a Basic CRUD Application 5. Real-Time Applications with WebSockets Introduction to WebSockets and Real-Time Communication Setting Up WebSocket Connections in Bun.js Implementing Real-Time Features: Chat Application Example Managing WebSocket Connections and Data Streams 6. Working with Bun.js Workers Introduction, Offloading Tasks, Practical Use Cases. 7. Advanced API Development Middleware in Bun.js: Authentication and Logging Securing Your API: JWT, OAuth, and API Keys Handling Errors and Validations in Bun.js APIs API Versioning and Documentation 8. Building Microservices with Bun.js Introduction to Microservice Architecture Decoupling Services: Designing Microservices with Bun.js Communication Between Services: REST, WebSockets, and Message Queues Managing and Scaling Microservices 9. Database Integration and Data Persistence Connecting Bun.js to Databases (SQL and NoSQL) Setting Up a Database with Bun.js (e.g., PostgreSQL, MongoDB) Implementing ORM with Bun.js: Working with Prisma/TypeORM Database Transactions and Best Practices 10. Deploying Bun.js Applications Preparing Bun.js Applications for Production Deploying on Cloud Platforms (e.g., Vercel, AWS, DigitalOcean) Managing Environment Variables and Configurations Monitoring and Performance Optimization 11. Testing and Debugging Bun.js Applications Writing Unit and Integration Tests Using Bun.js Testing Tools (e.g., Bun's Built-in Test Runner) Debugging Techniques and Tools for Bun.js Ensuring Performance with Load Testing 12. Conclusion and Next Steps Recap of Concepts and resources.

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