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Enterprise-level Django Web Application Development Checklist

একটা Enterprise-level Django Web Application বানাতে হলে শুধু কোডিং না, পুরো সফটওয়্যার লাইফসাইকেল, আর্কিটেকচার, অপ্টিমাইজেশন, ডেপ্লয়মেন্ট এবং প্রোডাকশন-মেইনটেনেন্স পর্যন্ত সব কিছু খেয়াল রাখতে হয়। নিচে আমি একদম A to Z লিস্ট আকারে দিয়েছি — কোন কিছু বাদ রাখিনি।

✅ Enterprise-level Django Web Application Development Checklist

🟩 ১. Requirements & Planning

  • Project Scope Definition (Feature list, stakeholders)
  • API vs Webapp decision
  • UI/UX Planning (Wireframes, user journey)
  • Technology Stack Finalization (Frontend, Backend, DB, Hosting)
  • Timeline, Milestone Planning
  • Version Control System (Git with branch strategies)

🟩 ২. Project Setup

  • Virtual Environment + Dependency Manager (pipenv, poetry, or venv + requirements.txt)
  • Environment file management (.env, django-environ)
  • Project Structure planning (multi-app structure)
  • Django Settings split (base.py, dev.py, prod.py)
  • Git setup with .gitignore (e.g., ignore .env, __pycache__)

🟩 ৩. Django Features & Core Setup

  • Django Admin Customization
  • Custom User Model (Always use from day 1)
  • Authentication System
  • Permissions, Groups, Roles
  • ORM usage best practices
  • Forms (Django Forms / ModelForms / DRF Serializers)
  • Class-Based Views (CBV) vs Function-Based Views (FBV)

🟩 ৪. Database Design

  • ER Diagram & Normalization
  • ForeignKey, ManyToMany, OneToOne mapping
  • Data Constraints (unique, null, blank, default)
  • Indexing (on search/filter fields)
  • Use of Meta options for model behavior
  • Audit Trail Model (who changed what)
  • Soft delete / is_active pattern

🟩 ৫. API Development (if applicable)

  • Django REST Framework setup
  • JWT / OAuth2 Authentication
  • Throttling, Rate limiting
  • Pagination, Filtering, Ordering
  • Versioning APIs
  • Swagger / Postman documentation

🟩 ৬. File, Media & Static Handling

  • File uploads & validation
  • Static file collection (collectstatic)
  • Media path design
  • CDN integration (optional for static/media)

🟩 ৭. Frontend Integration

  • Django Template or React/Vue Integration
  • CORS setup (for SPA)
  • Lazy loading, Minified CSS/JS
  • Bundle/Compression (e.g., django-compressor, webpack)

🟩 ৮. Security Best Practices

  • CSRF, XSS, SQL Injection protection
  • Content Security Policy (CSP)
  • Secure cookies, HTTPS, SECURE_* settings
  • Session expiration and logout timeout
  • 2FA / OTP (optional)
  • CAPTCHA in forms
  • X-Frame-Options, X-Content-Type-Options

🟩 ৯. Performance Optimization

  • ORM Optimization: select_related, prefetch_related
  • Query optimization: only(), defer(), .values(), .exists()
  • Avoiding N+1 queries
  • Redis for caching
  • View/Page/Template caching
  • Celery for async tasks
  • Throttle costly tasks (batch jobs)

🟩 ১০. Scalability Planning

  • Database Pooling (e.g., pgbouncer)
  • Sharding (if extremely large dataset)
  • Load Balancing (Nginx + Gunicorn + HAProxy)
  • Dockerization
  • Kubernetes (for enterprise-level horizontal scaling)

🟩 ১১. Business Logic & Services Layer

  • Separation of concerns: services.py, managers.py
  • Business rule isolation
  • Centralized utilities & helpers
  • Signal vs Observer Pattern

🟩 ১২. Asynchronous Processing

  • Celery with Redis/RabbitMQ
  • Background Tasks (image resize, notifications, reports)
  • Periodic tasks (celery beat)

🟩 ১৩. Notifications

  • Email (SMTP, sendgrid, Mailgun)
  • SMS Gateway Integration
  • Push Notifications (Firebase)

🟩 ১৪. Testing

  • Unit Tests (models, utils)
  • Integration Tests (views, APIs)
  • Use of pytest, coverage
  • Test factories (factory_boy)
  • CI/CD integration (GitHub Actions, GitLab CI)

🟩 ১৫. Logging & Monitoring

  • Logging (RotatingFileHandler, Sentry, ELK)
  • Custom log formats with user info
  • Error notifications
  • Uptime monitoring

🟩 ১৬. Analytics

  • Google Analytics / Matomo integration
  • Admin-level dashboard
  • Audit logs (who did what, when)

🟩 ১৭. Deployment

  • Gunicorn + Nginx setup
  • HTTPS with Let’s Encrypt or Paid SSL
  • Postgres tuning (work_mem, shared_buffers)
  • File permission + security
  • Backup scripts & Cron jobs
  • CI/CD pipeline for auto deployment

🟩 ১৮. Production Maintenance

  • Backup strategy (daily dump + media)
  • Cron jobs (cleanup, reports, etc.)
  • Log rotation
  • Scale on demand
  • Monitoring DB size & performance

🟩 ১৯. Documentation

  • README, Setup instructions
  • API documentation (Swagger / ReDoc / Postman)
  • Architecture diagram
  • Deployment Guide
  • Dev onboarding doc

🟩 ২০. Business & Legal

  • Terms & Conditions / Privacy Policy
  • Licensing (if open source or SAAS)
  • GDPR / Data compliance (for global users)
  • Billing, Subscriptions, Invoices (Stripe integration)

তুমি চাইলে আমি এখন এই প্রতিটা টপিকের উপর বিস্তারিত করে পর্ব আকারে টিউটোরিয়াল বানিয়ে দিতে পারি — বাংলায় ব্যাখ্যা সহ, কোড উদাহরণ দিয়ে।

👉 প্রথম কোন টপিকটা থেকে শুরু করবো?

  • Project Structure + Planning?
  • Database Design?
  • Django Security Setup?
  • Performance Optimization?

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