Certified Nest.js Developer

TABLE OF CONTENT

Introduction to Nest.js

• What is Nest.js?
• Features and benefits of Nest.js
• Architecture and design principles

Setting Up a Nest.js Project

• Installing Node.js and npm
• Creating a new Nest.js project
• Project structure and conventions

TypeScript Fundamentals

• Introduction to TypeScript
• TypeScript data types and interfaces
• Decorators and metadata in TypeScript

Controllers and Routing

• Creating controllers
• Handling HTTP requests and responses
• Routing in Nest.js

Dependency Injection

• Understanding Dependency Injection in Nest.js
• Providers and services
• Injectors and modules

Middleware

• Creating custom middleware
• Built-in middleware
• Middleware execution order

Modules and Providers

• Organizing code into modules
• Providers and injection tokens
• Dynamic modules

Data Validation and Pipes

• Input validation with Pipes
• Creating custom Pipes
• Built-in Pipes

Exception Handling

• Handling exceptions in Nest.js
• Custom exception filters
• Global exception handling

Authentication and Authorization

• Implementing authentication strategies
• JWT-based authentication
• Role-based and permission-based authorization

GraphQL with Nest.js

• Introduction to GraphQL
• Building GraphQL APIs with Nest.js
• Query, Mutation, and Resolver

WebSockets and Real-Time Communication

• Introduction to WebSockets
• Implementing WebSockets in Nest.js
• Real-time communication in Nest.js

Testing in Nest.js

• Unit testing with Jest
• Testing controllers, services, and modules
• Mocking dependencies

Database Integration

• Connecting to databases (e.g., MySQL, MongoDB)
• Creating database models
• Implementing CRUD operations

Security and Best Practices

• Security best practices
• CORS and CSRF protection
• Logging and error handling strategies

API Documentation

• Generating API documentation with Swagger
• Customizing API documentation
• Using Postman for API testing

Deployment and Scaling

• Deploying Nest.js applications to production
• Scaling Nest.js applications
• Containerization with Docker

Performance Optimization

• Profiling and optimizing Nest.js applications
• Caching strategies
• Load balancing

Building RESTful APIs

• Building RESTful endpoints
• Versioning REST APIs
• Hypermedia and HATEOAS

Continuous Integration and Deployment (CI/CD)

• Setting up CI/CD pipelines
• Automating deployment workflows
• DevOps best practices