Django and Django REST Framework are designed around Active Records design pattern where each Record Object represents a “living” database record that can be interacted with where the changes as resulted of the interaction is reflected on the underlying database record automatically. This has allowed many of Django's libraries including Django REST Framework to access data and modify data from all parts of the application, and thus encourages vertically integrated features where behaviors that are defined by Models, such as using ModelSerializer and ModelViewset.
This design pattern presents several areas of concerns:
- Tight coupling: mixes data access and business logic, violates Single Responsibility, makes unit test difficult. DRF Serializer is one such example that does much more than what the name suggests, it not only serializes data but also performs CRUD operation on models.
- Performance limitation: heavy object creation and retrieval for simple database operati
