Tutorial Series // Django

The Complete Django Tutorial

Full-stack Python — models, views, auth, REST APIs, and production deployment from scratch. Every topic ships working code.

40 topics ~576 min total read 100% free
  1. 01 Scalable Project Architecture & Env Isolation Isolate settings, manage sys.path imports, and configure secure environment boundaries for a production-grade SaaS. 10 min →
  2. 02 ASGI vs WSGI Server Lifecycles Demystifying the process and threading execution lifecycles of synchronous vs asynchronous Python gateways. 12 min →
  3. 03 Database Connection Pooling & Settings Tuning Prevent connection exhaustion under peak traffic by implementing connection pooling and connection limits. 11 min →
  4. 04 Modular Apps & URL Dispatcher Mechanics Optimize the URL matching regex execution path and decouple logic via modular apps. 10 min →
  5. 05 Lazy QuerySets & SQL Compilation Engine Unlocking the execution timing of QuerySets and how Django compiles Python objects into raw SQL commands. 12 min →
  6. 06 B-Tree Indexes & High-Performance DB Queries How B-Tree database indexes speed up column searches, and when to create them in Django models. 11 min →
  7. 07 Table Joins: select_related & prefetch_related Eliminate the N+1 query problem by combining related table fetches at the SQL database layer. 13 min →
  8. 08 DB Write Optimizations & Transaction Management Wrap critical multi-step database writes in transaction.atomic blocks to protect data integrity. 12 min →
  9. 09 Custom Auth Models & Cryptographic Hashing Implement custom user models early and configure strong, slow password hashing functions. 11 min →
  10. 10 Session State Storage & Redis Cache Backends Offload session state from database queries to low-latency Redis in-memory storage. 12 min →
  11. 11 Generic Views & MRO (Method Resolution Order) Master Django CBV class hierarchies and Method Resolution Order to write clean code. 10 min →
  12. 12 ModelForms & Custom Validation Clean Methods Validate forms safely using field-level clean methods and cross-field validation checks. 11 min →
  13. 13 File Upload Processing & Media Storage Understand chunked file uploads and how Django handles multi-part forms and external storage. 12 min →
  14. 14 DRF Serializers & Request/Response Lifecycle Convert models to JSON and validate incoming payloads with Django REST Framework. 13 min →
  15. 15 APITestCase & Database Isolation with Savepoints Run isolation tests using transaction savepoints, preventing database state leaks between runs. 12 min →
  16. 16 Production Deployment: Gunicorn, Nginx & SSL Set up Gunicorn worker configurations and use Nginx as a reverse proxy for static files and SSL termination. 14 min →
  17. 17 Celery & Redis: Message Broker Protocols & Queue Architecture Establish background queues using Redis blocking pop lists to keep request processes responsive. 15 min →
  18. 18 Background Workers: Processing Video/Audio Data Streams Locally Use FFmpeg subprocess pipes in background tasks to extract metadata and process video frames. 18 min →
  19. 19 Django Channels & ASGI: Real-Time WebSockets Configure Django to handle persistent WebSocket connections using ASGI event routing. 16 min →
  20. 20 WebSocket Notification Systems for Long-Running AI Tasks Push processing progress updates to the client browser using Redis-backed channel group messages. 17 min →
  21. 21 Distributed Task Scheduling: Celery Beat & Lock Contention Schedule repeating tasks reliably and use Redis-based distributed locks to prevent duplicate execution. 15 min →
  22. 22 Background Worker Concurrency: Prefetching & Resource Isolation Configure worker prefetching limits and process isolation to manage CPU and memory usage. 16 min →
  23. 23 HTMX & TailwindCSS: Server-Driven UI (SDUI) Render partial HTML updates on the server and swap them into the page using HTMX, avoiding heavy SPA frameworks. 14 min →
  24. 24 HTMX Lazy Loading & OOB Swaps Speed up page load times by lazy loading heavy sections and updating multiple components with Out-of-Band (OOB) swaps. 15 min →
  25. 25 Alpine.js for Lightweight Client-Side Reactivity Build interactive frontend components using Alpine.js without adding heavy build steps. 14 min →
  26. 26 Alpine-HTMX Orchestration: Handling Asynchronous Events Coordinate Alpine.js client interactions with HTMX network requests using custom browser events. 15 min →
  27. 27 Progressive Enhancement with TailwindCSS Optimize the critical rendering path using CSS variables and compile only utility classes used in production. 13 min →
  28. 28 Micro-Frontend Hybrids: Embedding Interactive Components in HTMX Shells Embed targeted interactive components inside HTMX-rendered shells, keeping pages clean and performant. 16 min →
  29. 29 Integrating Local LLMs (Ollama/Llama3) into Django Views Deploy local Llama3 endpoints using Ollama, streaming token outputs to Django views. 18 min →
  30. 30 Building LangChain/LangGraph Agent Endpoints via FastAPI Isolate long-running AI agent loops in a FastAPI service, keeping Django processes free. 17 min →
  31. 31 Multi-Agent Choreography & Execution Loop Build LangGraph multi-agent execution flows to analyze script structure, hooks, and retention patterns. 18 min →
  32. 32 Vector Databases (pgvector) inside Django PostgreSQL Store text embeddings inside PostgreSQL using the pgvector extension and query them using similarity metrics. 16 min →
  33. 33 pgvector Indexing & Vector Search: HNSW vs IVFFlat Optimize vector query performance using HNSW and IVFFlat indexes in pgvector. 17 min →
  34. 34 LLM-as-a-Judge Evaluation: Automated Structured Evals using Pydantic Implement structured outputs using Pydantic schemas to validate LLM results. 18 min →
  35. 35 PostgreSQL Schemas for Multi-Tenant SaaS Isolate tenant data securely using separate PostgreSQL schemas and custom tenant routing. 18 min →
  36. 36 Tenant Middleware: Domain Routing & Thread-Local Storage Isolation Route tenant requests dynamically using custom middleware and track tenant context in thread-local storage. 16 min →
  37. 37 Stripe API Integration: Webhooks & Subscriptions Handle billing updates securely using cryptographic webhook signature checks and idempotency locks. 17 min →
  38. 38 Stripe Metered Billing & Usage Orchestration Report and bill usage dynamically based on API usage metrics and analysis run times. 16 min →
  39. 39 Rate Limiting and API Key Management for Premium Endpoints Protect premium API endpoints using token-bucket rate limiting backed by Redis. 17 min →
  40. 40 API Gateway, Cryptographic Verification, and Audit Logging Set up secure API gateways with cryptographically signed API keys and immutable audit logs. 18 min →