Scalable Application Development with NestJS

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

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

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.

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.

Table of Contents

Part 1: Introduction to NesUS and Scalable Application Architecture

Chapter 1: Overview of NesUS

Chapter 2: Understanding Scalable Application Architecture Principles and Design Patterns

Chapter 3: Setting Up Your NesUS Environment and Exploring NesUS – Building a Robust App

Chapter 4: Advanced Concepts – Modules, Controllers, Providers, Exception Filters, Pipes, Guards, and Decorators

Part 2: REST APls and GraphQL in NesUS

Chapter 5: Building and Optimizing REST APls with NesUS

Chapter 6: Unleashing the Power of GraphQL and the Apollo Federation Architecture in NesUS

Part 3: Testing and Debugging APls in NesUS

Chapter 7: Testing and Debugging REST APls in NesUS

Chapter 8: Testing and Debugging GraphQL APls in NesUS

Part 4: Scaling with Microservices and NesUS

Chapter 9: Deep Dive into Microservices: Concepts and Architectural Styles

Chapter 10: Building Scalable Microservices with NesUS

Chapter 11: Testing and Debugging Microservices in NesUS

Part 5: Real-World Application Examples and Case Studies

Chapter 12: Case Study 1 – E-commerce Application

Chapter 13: Case Study 2 – Social Networking Platform

Chapter 14: Case Study 3 – Enterprise Resource Planning System

Part 6: Deployment, DevOps, and Beyond

Chapter 15: Deploying NesUS Applications

Chapter 16: Embracing DevOps: Continuous Integration and Continuous Deployment for NesUS

Chapter 17: NesUS Performance Optimization

Chapter 18: NesUS Security Best Practices

Review

“Scalable Application Development with NestJS by Pacifique Linjanja is a must-read for anyone interested in concepts, design patterns, and best practices for building scalable, high-performance applications with NestJS.

It’s inspiring to see how the author’s passion for software development has translated into such an insightful and impactful work. This accomplishment is a testament to their creativity, dedication, and hard work.

I highly encourage everyone in my network to check it out, support a budding author, and gain some incredible knowledge in the process.”

Shahin Mohammadkhani, Vice President of Engineering at United Talent Agency

“[…] A comprehensive guide for developers looking to build robust, scalable server-side applications using NestJS. It effectively combines theoretical insights with practical applications, making it suitable for both beginners and experienced developers in the Node.js ecosystem with a focus on scalability, GraphQL and REST APIs, DevOps and deployments, and security best practices.”

Daniel Kapexhiu, Senior IT Developer and Author of Building Microservices with Node.js

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.