django-expert
Django Expert guides you through building production-grade REST APIs using Django and Django REST Framework. It covers model design with database indexes, query optimization via select_related and prefetch_related, serializer validation, viewset implementation, and authentication setup. The skill enforces best practices like environment-based secrets, proper permissions, and comprehensive testing.
Django Expert helps you build and optimize Django REST APIs with properly indexed models, efficient ORM queries, and DRF serializers.
AI-generated summary based on this skill's SKILL.md
Decision gist · record as of 2026-05-20
Django Expert helps you build and optimize Django REST APIs with properly indexed models, efficient ORM queries, and DRF serializers. Django Expert guides you through building production-grade REST APIs using Django and Django REST Framework. It covers model design with database indexes, query optimization via select_related and prefetch_related, serializer validation, viewset implementation, and authentication setup. The skill enforces best practices like environment-based secrets, proper permissions, and comprehensive testing.
Use it when
- Django Expert guides you through creating serializers that validate input data and transform model instances to JSON.
- Django Expert teaches query optimization through `select_related()` for one-to-one and foreign key relationships and `prefetch_related()`.
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Read SKILL.md below before installing (6 files). Open directory: indexed for reading, not audited.
Install
Jeffallan/claude-skills/django-expert · repository language: Python
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Frequently asked questions
AI-generated answers based on this skill's SKILL.md and metadata
How do I build Django models with indexes for better performance?
Django Expert teaches you to define database indexes on your models using the `db_index=True` parameter on fields or the `Meta.indexes` list for composite indexes. Proper indexing on frequently queried fields—like foreign keys and filter columns—dramatically improves query speed. Django Expert also covers the N+1 problem and shows how `select_related()` and `prefetch_related()` eliminate redundant database hits when fetching related objects.
What's the best way to set up Django REST Framework serializers and viewsets?
Django Expert guides you through creating serializers that validate input data and transform model instances to JSON. You'll learn to choose between `APIView`, `ViewSet`, and `ModelViewSet` based on your needs—ModelViewSet provides CRUD operations automatically. Django Expert shows how to customize serializer fields, override validation methods, and configure viewsets with proper pagination, filtering, and permissions for production REST APIs.
How can I optimize Django ORM queries to avoid the N+1 problem?
Django Expert teaches query optimization through `select_related()` for one-to-one and foreign key relationships and `prefetch_related()` for many-to-many and reverse foreign keys. These methods reduce multiple database queries to one or two, dramatically improving performance. Django Expert also covers raw SQL parameterization for complex queries and shows how to use Django's query introspection tools to identify slow queries in development.
How do I implement JWT authentication and permissions in Django REST Framework?
Django Expert covers setting up JWT authentication using packages like `djangorestframework-simplejwt`, configuring token generation on login, and validating tokens on protected endpoints. You'll learn to implement custom permission classes, use `IsAuthenticated` and `IsAdminUser`, and combine permissions with viewsets. Django Expert also covers CSRF security best practices and environment-based secret management for production deployments.
How should I write and test Django REST API endpoints with APITestCase?
Django Expert shows how to use `APITestCase` to write comprehensive tests for your endpoints, including authentication flows, permission checks, and response validation. You'll learn to mock requests, assert status codes and response data, and test edge cases. Django Expert emphasizes test coverage for serializer validation, viewset logic, and error handling to ensure your REST APIs behave correctly before production.
What are the key steps for configuring Django for production deployment?
Django Expert covers production settings including environment variables for secrets, DEBUG=False, allowed hosts configuration, and static/media file handling. You'll learn database connection pooling, cache configuration, and async view setup for Django 5.0. Django Expert emphasizes security hardening: HTTPS enforcement, secure cookies, CORS policies, and comprehensive logging to monitor your production REST API.
SKILL.md
Rendered from the published skill. Quoted content, verbatim.
Django Expert
Senior Django specialist with deep expertise in Django 5.0, Django REST Framework, and production-grade web applications.
When to Use This Skill
- Building Django web applications or REST APIs
- Designing Django models with proper relationships
- Implementing DRF serializers and viewsets
- Optimizing Django ORM queries
- Setting up
(truncated - see the full file via the links below)
File tree — 6 files
skills/django-expert/SKILL.md
skills/django-expert/references/authentication.md
skills/django-expert/references/drf-serializers.md
skills/django-expert/references/models-orm.md
skills/django-expert/references/testing-django.md
skills/django-expert/references/viewsets-views.md
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Related skills
Django Expert delivers in-depth instruction on the Django framework for constructing robust Python web applications. It covers the MVT pattern, database modeling through ORM, view logic, template rendering, URL routing, form handling, and Django's authentication system. The skill also explores REST API development and admin interface customization.
Django Expert delivers comprehensive backend development guidance covering model design, view implementation, Django REST Framework APIs, query optimization, authentication, testing strategies, and security practices. It references bundled documentation on ORM patterns, performance tuning, production deployment, and common pitfalls to help you build maintainable applications.
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This skill audits Django applications for performance bottlenecks by researching your codebase and confirming issues before flagging them. It focuses on critical problems like N+1 queries in views and serializers, memory-exhausting unbounded querysets, and inefficient write patterns, while validating findings against actual data flow rather than pattern matching alone.
Learn Django conventions that emphasize model-centric design, clean separation of concerns, and test-driven development. This skill covers best practices for the ORM, views, migrations, and testing frameworks like pytest-django, helping you write maintainable, DRY code aligned with Django's philosophy.
Learn proven Django REST Framework patterns for building scalable APIs. This skill covers ViewSets, Serializers for different operations, filtering strategies, custom permissions, pagination setup, and routing conventions. Includes testing patterns and common management commands.
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