Scalable Application Development with NestJS: Leverage REST, GraphQL, microservices, testing, and deployment for seamless growth

Pacifique Linjanja

Jan 2025 · Packt Publishing Ltd

About this ebook

Build production-ready, scalable applications that stand up to enterprise demands with NestJS while learning all about APIs, GraphQL, and moreKey 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 DescriptionIn 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.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.

About the author

Pacifique Linjanja is a skilled software engineer known for building enterprise-level applications with technologies such as NestJS. He has led diverse development teams globally, delivering scalable, efficient software solutions across multiple projects. In addition to his work, Pacifique actively contributes to open source communities, sharing his expertise and insights through technical talks and coding workshops. He enjoys mentoring new developers and continues to broaden his knowledge by exploring various fields beyond technology, believing in the importance of learning and giving back to the tech community.