Django Patterns

Settings Split

settings/
├── base.py        # Común
├── development.py # DEBUG=True
├── production.py  # Security, caching
└── test.py        # Fast, SQLite

QuerySet Optimization

# SIEMPRE usar select_related (FK) y prefetch_related (M2M)
User.objects.select_related('profile').prefetch_related('orders__items')