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django-patterns

Implements Django architecture patterns for REST APIs, ORM optimization, caching, and production applications.

Updated Mar 25, 2026
Search Tags:#caching#web development#python#orm#rest api#django#drf
One-click install
npx skills add https://github.com/Femad-6/my-skills --skill django-patterns-femad-6
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: django-patterns
Source: https://github.com/Femad-6/my-skills/tree/main/.github/skills/django-patterns
Command: npx skills add https://github.com/Femad-6/my-skills --skill django-patterns-femad-6

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Building maintainable Django applications requires consistent architecture decisions across project structure, ORM usage, API design, and performance optimization, which developers often reinvent or get wrong. ## Core Features & Use Cases - Project Structure & Settings: Provides a split-settings layout (base, development, production, test) with security-hardened production configuration. - ORM & Model Patterns: Covers custom QuerySets, managers, model constraints, indexing, and N+1 query prevention with select_related and prefetch_related. - DRF API Design: Includes serializer validation, ViewSets with custom actions, filtering, pagination, and a service layer for business logic. - Use Case: When building a new Django REST API for an e-commerce backend, apply these patterns to structure apps, write optimized querysets, add caching for expensive queries, and implement order-processing logic in a service layer. ## Quick Start Ask the AI to scaffold a production-grade Django project structure with DRF ViewSets, custom QuerySets, and caching for a product catalog API.

Frequently Asked Questions about django-patterns

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I structure a Django project for production?▼

Use a config package with split settings files (base, development, production, test) and place business apps under an apps directory. Production settings should disable DEBUG, enforce SSL redirect, secure cookies, HSTS, and file-based logging.

How to avoid N+1 queries in Django ORM?▼

Use select_related for foreign key relationships and prefetch_related for many-to-many relations when querying. Encapsulate these in custom QuerySet methods like with_category() so every list view reuses the optimized query.

What is the service layer pattern in Django?▼

A service layer moves business logic out of views and models into dedicated service classes, such as an OrderService that creates orders and processes payments. Wrap multi-step writes in transaction.atomic to keep data consistent.

How do I add custom actions to a DRF ViewSet?▼

Use the @action decorator on ViewSet methods, setting detail=True for single-object endpoints or detail=False for collection endpoints. You can override permission_classes per action and return custom Response data.

When should I use caching in a Django application?▼

Cache expensive or frequently accessed data such as featured product lists or annotated category queries using Django's low-level cache API with explicit timeouts. Use template fragment caching or cache_page decorators for slow-rendering views.

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