django-application

SKILL.md

Django Application

Table of Contents

Overview

When to Use

Quick Start

Reference Guides

Best Practices

Overview

Build comprehensive Django web applications with proper model design, view hierarchies, database operations, user authentication, and admin functionality following Django conventions and best practices.

When to Use

Creating Django web applications

Designing models and database schemas

Implementing views and URL routing

Building authentication systems

Using Django ORM for database operations

Creating admin interfaces and dashboards

Quick Start

Minimal working example:

django-admin startproject myproject
cd myproject
python manage.py startapp users
python manage.py startapp products

Reference Guides

Detailed implementations in the references/ directory:

Guide
Contents

Django Project Setup
Django Project Setup

Model Design with ORM
Model Design with ORM

Views with Class-Based and Function-Based Approaches
Views with Class-Based and Function-Based Approaches

Authentication and Permissions
Authentication and Permissions

Database Queries and Optimization
Database Queries and Optimization

URL Routing
URL Routing

Admin Interface Customization
Admin Interface Customization

Best Practices

✅ DO

Use models for database operations

Implement proper indexes on frequently queried fields

Use select_related and prefetch_related for query optimization

Implement authentication and permissions

Use Django Forms for form validation

Cache expensive queries

Use management commands for batch operations

Implement logging for debugging

Use middleware for cross-cutting concerns

Validate user input

❌ DON'T

Use raw SQL without ORM

N+1 query problems without optimization

Store secrets in code

Trust user input directly

Override init in models unnecessarily

Make synchronous heavy operations in views

Use inheritance models unless necessary

Expose stack traces in production

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