ElysiaJS and Bun Made Simple (Paperback)

Paperback. Building a modern backend can feel overwhelming-especially when tutorials assume you already understand APIs, databases, authentication, TypeScript, deployment, and production architecture.ElysiaJS and Bun Made Simple gives you a clear, practical path from your first backend concepts to a complete, production-style application. You do not need previous experience with Bun, ElysiaJS, PostgreSQL, authentication, WebSockets, Docker, or deployment. Basic JavaScript familiarity is helpful, and every important backend concept is introduced gradually, in context, and with practical examples.Instead of jumping between disconnected demos, you will build TaskPilot, a real project-management backend that grows with your skills. You will create routes, validate requests, store data in PostgreSQL, authenticate users, enforce permissions, add real-time features, test your application, containerize it with Docker, and prepare it for production.Mistakes are treated as part of the learning process-not as failure. A working route, successful database query, passing test, or correctly protected endpoint is a meaningful win. Each chapter helps you understand not only what to do, but also why it matters and where it belongs in a real application.Key Features- Beginner-friendly, step-by-step explanations- Hands-on learning through one complete backend project- Practical TypeScript and ElysiaJS examples- PostgreSQL, CRUD operations, migrations, and transactions- Authentication, authorization, sessions, cookies, and security- WebSockets, file uploads, caching, and background jobs- Automated testing, logging, OpenAPI documentation, and debugging- Docker, deployment, scaling, monitoring, and maintenance- Practical exercises, troubleshooting guidance, and quick-reference appendicesWhat You Will LearnYou will learn how to build REST-style APIs with Bun and ElysiaJS, handle HTTP requests and responses, use TypeScript inference and runtime validation, design maintainable application architecture, connect PostgreSQL, create secure authentication systems, protect resources with roles and permissions, build real-time WebSocket features, test and debug your backend, document APIs, improve performance, and prepare applications for production deployment.Who This Book Is ForThis book is ideal for beginners, self-learners, students, JavaScript developers moving into backend development, and anyone who wants a practical introduction to building modern TypeScript APIs. No previous Bun or ElysiaJS experience is required.Table of ContentsChapter 1: Understanding Bun, ElysiaJS, and Backend DevelopmentChapter 2: Routing, Requests, Responses, and Type-Safe APIsChapter 3: Validation, Schemas, Error Handling, and API DesignChapter 4: Plugins, Lifecycle Hooks, and Application ArchitectureChapter 5: PostgreSQL, Data Persistence, and CRUD OperationsChapter 6: Authentication, Authorization, and Backend SecurityChapter 7: Files, WebSockets, Caching, and External ServicesChapter 8: Testing, Debugging, Logging, Documentation, and PerformanceChapter 9: Completing the Production-Style TaskPilot BackendChapter 10: Docker, Deployment, Scalability, and MaintenanceIf you want to move beyond scattered tutorials and finally understand how a modern backend fits together, this book gives you a structured, supportive path forward. Start with your first endpoint, build one feature at a time, and develop the confidence to create secure, practical, production-ready backend applications of your own. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.…