• Request handling and routing
• Response formatting and status codes
• Data Transfer Objects (DTOs)
• Validation and error handling
• CRUD operations
• Request lifecycle
• Custom decorators

• TypeORM integration

• Entity design and relationships

• Migrations and database versioning

• Repository pattern

• Transactions

• Query builder and advanced queries

• Performance optimization

Handle incoming requests, format responses, manage status codes, and build RESTful endpoints. Dive into CRUD operations and understand the full request lifecycle.

• JWT implementation

• Passport integration

• Guards and strategies

• Role-based access control

• Authentication workflows

• Security best practices

• Rate limiting and brute force protection

• WebSockets and real-time communication

• Unit testing with Jest

• E2E testing

• Test-driven development practices

• Performance optimization

• Environment configuration

• Logging and monitoring

• Error handling strategies

• Production best practices

• Application scaling considerations

• Caching strategies