Summary

In this chapter, we embarked on building an e-commerce application with NestJS, reinforcing our skills in REST API development, testing, data modeling, and integrating real databases. We tackled the following key areas.

We delved into the essential features and functionalities required for a robust e-commerce platform, ensuring a comprehensive understanding of user and business needs.

Then we designed a scalable architecture and defined our data models, laying the foundation for a well-structured application.

We developed RESTful endpoints for managing products, orders, and payments, ensuring a seamless flow of data and operations.

Finally, we implemented secure user authentication and authorization mechanisms using JWT, enhancing the application’s security and user management capabilities.

Throughout this chapter, we integrated PostgreSQL for database management, moving beyond in-memory databases to tackle real-world challenges. By applying theoretical...