Learn the fundamentals of web application routing and URL handling.

• What is routing?
• URL patterns and matching
• Route handlers
• HTTP methods
• Static vs dynamic routes
• Route priority
• Routing engines
• Best practices

Master route parameters, wildcards, and advanced pattern matching.

• Path parameters
• Query parameters
• Wildcard routes
• Optional parameters
• Parameter validation
• Route constraints
• Regex patterns
• Parameter types

Implement RESTful routing patterns with proper HTTP method usage.

• GET, POST, PUT, DELETE
• PATCH and OPTIONS
• RESTful conventions
• Resource-based routing
• Nested resources
• Collection vs member routes
• API versioning
• HTTP status codes

Organize routes using groups, prefixes, and namespaces.

• Route grouping
• URL prefixes
• Namespace organization
• Middleware application
• Subdomain routing
• API versioning strategies
• Route inheritance
• Modular routing

Understand middleware concepts and the request/response pipeline.

• Middleware concept
• Request pipeline
• Middleware execution order
• Pre and post processing
• Middleware types
• Built-in middleware
• Custom middleware
• Error handling

Implement authentication and authorization using middleware.

• Authentication strategies
• Session-based auth
• Token-based auth
• JWT middleware
• OAuth integration
• Role-based access
• Permission checking
• Security best practices

Implement comprehensive logging and monitoring solutions.

• Request logging
• Response timing
• Error tracking
• Performance monitoring
• Custom metrics
• Log formatting
• Structured logging
• Monitoring integration

Secure applications with CORS, CSRF, and other security middleware.

• CORS configuration
• CSRF protection
• Security headers
• Rate limiting
• Input validation
• XSS prevention
• Content Security Policy
• Helmet.js integration

Implement caching strategies to improve application performance.

• Cache strategies
• HTTP caching
• In-memory caching
• Redis integration
• Cache invalidation
• ETags and headers
• Cache middleware
• Performance optimization

Build robust error handling and recovery mechanisms.

• Error middleware
• Global error handlers
• Custom error types
• Error logging
• Graceful degradation
• Circuit breakers
• Retry mechanisms
• Error responses

Create custom middleware for specific application needs.

• Middleware patterns
• Middleware composition
• Async middleware
• Conditional middleware
• Parameterized middleware
• Testing middleware
• Middleware libraries
• Performance considerations

Master advanced routing concepts and optimization techniques.

• Dynamic route generation
• Route caching
• Route compilation
• Performance optimization
• Route debugging
• Testing strategies
• Documentation
• Migration patterns