Learn DJANGORESTFRAMEWORK with Real Code Examples
Updated Nov 27, 2025
Architecture
Serializer layer maps Python objects to JSON/XML
View/ViewSet layer handles requests and responses
URL router maps endpoints to views
Authentication and permission middleware secures APIs
Optional service or business logic layer for complex operations
Rendering Model
Request received by URL router
View/ViewSet processes request
Serializer validates and transforms data
Response returned in JSON/XML/other formats
Permissions and throttling enforced as needed
Architectural Patterns
MVC (via Django) underlying DRF
Serializer pattern for data transformation
Class-based views with mixins
Router-driven endpoint mapping
Optional service layer for complex business logic
Real World Architectures
REST API for e-commerce platform
Mobile app backend with token authentication
Microservices using Django + DRF
Data analytics APIs with filtering and aggregation
Internal API gateways for SaaS applications
Design Principles
Ease of API development
Integration with Django ecosystem
Security and authentication built-in
Flexibility and extensibility via mixins
Browsable API for developer friendliness
Scalability Guide
Use database indexing and select_related/prefetch_related
Paginate large datasets
Cache frequently accessed data
Use Celery for background tasks
Deploy with load balancers and multiple app instances
Migration Guide
Update Django and DRF versions
Check deprecated features in serializers/views
Test endpoints thoroughly
Update authentication and permission classes if needed
Deploy incrementally to production