Scalable Application Development with NestJS

Leverage REST, GraphQL, microservices, testing, and deployment for seamless growth

Pacifique Linjanja

• Publisher: Packt Publishing
• Year: 2025
• eBook ISBN: 9781835463956
• Topic: Computer Science
• Subtopic: Open Source Programming
• Index: Computer Science

Build production-ready, scalable applications that stand up to enterprise demands with NestJS while learning all about APIs, GraphQL, and more Free with your book: DRM-free PDF version + access to Packt's next-gen Reader*

Key Features

• Understand the basics of robust modern apps, design patterns, and NestJS architecture
• Build, test, and scale Rest APIs and GraphQL APIs using NestJS
• Utilize microservice architecture, DevOps, security, and communication patterns for modern API development
• Purchase of the print or Kindle book includes a free PDF eBook

Book Description

In this book, Pacifique Linjanja, a globally recognized software engineer and open-source contributor, shares his deep technical expertise and practical insights from his extensive experience delivering enterprise-level applications to unpack the full potential of NestJS, the cutting-edge Node.js framework. This book covers the core concepts, design patterns, and best practices for building scalable, high-performance applications with NestJS. You'll learn REST API and GraphQL implementations, harness the power of microservices, and explore real-world case studies, including e-commerce, social networking, and ERP systems. The chapters provide step-by-step guidance for setting up your development environment with TypeScript and npm, structuring projects effectively, and using the Apollo Federation architecture to create efficient GraphQL APIs. This book offers hands-on guidance for testing and debugging APIs, handling exceptions, and validating data using pipes and guards, all while helping you build a complete NestJS application from scratch. By the end, you'll be ready to apply DevOps principles for continuous integration and deployment, as well as secure your NestJS applications using advanced techniques. *Email sign-up and proof of purchase required

What you will learn

• Master NestJS architecture and set up your environment with Node.js, npm, and TypeScript
• Apply design patterns and best practices to build robust, maintainable apps
• Build REST APIs and leverage GraphQL for flexible querying
• Use microservices architecture to efficiently scale your applications
• Understand how to test and debug APIs for optimal performance
• Implement Apollo Federation for efficient GraphQL APIs in a federated system
• Secure NestJS apps with advanced techniques

Who this book is for

If you are a software engineer, developer, or a tech lead looking to build scalable applications using NestJS, REST, GraphQL, and microservices, this book is for you. Whether you're new to NestJS or a seasoned developer, this guide will help you leverage NestJS for your next big project. It's also ideal for project managers and other IT professionals seeking insights into enterprise-level efficient development, testing strategies, and deployment processes. Even technology enthusiasts will find this book enlightening.

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Table of contents

• Scalable Application Development with NestJS
• Contributors
• About the author
• Preface
• Part 1: Introduction to NestJS and Scalable Application Architecture
• 1
• 2
• 3
• 4
• Part 2: REST APIs and GraphQL in NestJS
• 5
• 6
• Part 3: Testing and Debugging APIs in NestJS
• 7
• 8
• Part 4: Scaling with Microservices and NestJS
• 9
• 10
• 11
• Part 5: Real-World Application Examples and Case Studies
• 12
• 13
• 14
• Part 6: Deployment, DevOps, and Beyond
• 15
• 16
• 17
• 18
• Appendix
• Index
• Other Books You May Enjoy