Enroll Course: https://www.udemy.com/course/nestjs-curso-completo-rest-api-typeorm-jwt-e-mais/
The “NestJS para REST API com TypeORM, Autenticação JWT e Testes” course on Udemy is an exceptional resource for anyone looking to dive deep into backend development with NestJS. As a powerful and robust framework for Node.js, NestJS offers a modular and scalable architecture, and this course truly leverages that potential. With over 100 detailed lessons, it covers everything from the foundational concepts of NestJS to advanced topics like JWT authentication, authorization, automated testing, and production deployment.
**Getting Started with NestJS:** The course kicks off with a solid introduction to NestJS, explaining why it stands out with its module-based approach, which is crucial for code organization and scalability. You’ll learn how to set up your development environment and install the essential NestJS CLI, a tool that significantly speeds up project creation and code generation. Understanding the basic files generated by the CLI, such as `main.ts` and the `bootstrap()` function, is also covered, ensuring a strong start.
**Core Concepts and Architecture:** A significant portion of the course is dedicated to building the core of your NestJS applications. You’ll master the creation of modules and controllers, both manually and via the CLI, and understand the importance of modules in encapsulating functionality. Dynamic routes, dependency injection through services and providers, and the fundamental HTTP protocol methods (GET, POST, PUT, DELETE) are explained clearly. The use of the Rest Client in VS Code for API testing is a practical touch that enhances the learning experience.
**Data Handling and Security:** Ensuring data integrity is paramount, and this course excels in teaching how to use DTOs (Data Transfer Objects) with `ValidationPipe` and `class-validator` for efficient data validation. The inclusion of `PartialType` for optional updates is particularly useful. Security is a major focus, with a comprehensive section on JWT authentication and authorization. You’ll learn to implement secure login systems, hash passwords with bcrypt, and protect routes using `AuthTokenGuard`. The discussion on Refresh Tokens adds another layer of security best practices.
**Advanced Features and Best Practices:** Beyond the basics, the course delves into advanced NestJS features. Pipes and Interceptors are explored in detail, showcasing how to validate, transform, and modify data and responses. Exception handling is covered thoroughly, teaching you to use `HttpException` and create custom `Exception Filters` for consistent error responses. For database interaction, the integration with PostgreSQL using TypeORM is a highlight, covering entities, repositories, and relationships like ManyToOne and OneToMany. Implementing pagination and filtering using query parameters is also a valuable skill taught here.
**Testing and Deployment:** A robust application requires thorough testing, and this course provides excellent coverage of unit and end-to-end (E2E) testing using Jest. You’ll learn to test various components of your application, ensuring code quality. Finally, the course concludes with a practical guide to deploying your NestJS application on Google Cloud Platform (GCP), covering server setup, database configuration, SSL certificates with LetsEncrypt, Nginx as a web server, and process management with PM2.
**Recommendation:** This course is an invaluable investment for any developer, from beginners to experienced professionals, looking to build high-performance, secure, and scalable REST APIs with NestJS. The depth of coverage, practical examples, and focus on real-world scenarios make it a standout resource. By the end of this course, you’ll be well-equipped to tackle complex backend projects with confidence.
Enroll Course: https://www.udemy.com/course/nestjs-curso-completo-rest-api-typeorm-jwt-e-mais/