Summary

This chapter provided a thorough guide to utilizing NestJS to create scalable and maintainable server-side applications. It began by guiding you through the installation of Node.js and NestJS, along with the necessary CLI tools. The chapter ensured a smooth development process by showing you how to configure essential tools such as npm and TypeScript.

We then introduced the structure of a NestJS project, which lays the foundation for understanding its components. The chapter progressed with practical insights into creating and managing modules, controllers, and providers, essential elements of NestJS applications. It also covered how to handle exceptions with filters and maintain data integrity through validation using pipes and guards.

By the end of the chapter, we have acquired essential skills in setting up a NestJS environment, organizing an application effectively, and developing applications that can address real-world challenges. These skills are crucial for elevating...