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All Tutorials

79 tutorials
AI & LLMs Advanced
Streaming AI Responses with Django and Server-Sent Events

Streaming makes AI features feel responsive instead of frozen. Here's the full pipeline — async views, SSE, JavaScript client, and the nginx tweaks that matter.

18 min · 597
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AI & LLMs Advanced
Building a RAG System in Django with PostgreSQL and pgvector

Embed documents, store vectors in Postgres, and let an LLM answer questions about your own data — without hallucinating its sources.

19 min · 557
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Python Advanced
RPA with Python and Playwright: Browser Automation, Async Workflows, and Scheduling from Django

Build production RPA bots in Python: log into vendor portals, scrape dashboards, fill forms, and persist sessions — orchestrated from Django via Celery. The modern, license-free alternative to UiPath and Automation Anywhere.

20 min · 721
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JavaScript Advanced
HTMX with Django: Server-Rendered Interactivity Without React or Vue

HTMX brings SPA-feel interactions back to server-rendered Django: inline forms, live validation, infinite scroll, modals, and partial updates — all from regular Django views returning HTML fragments. The full pattern with CSRF and SSE.

19 min · 602
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DevOps Advanced
Kubernetes for Django: Deployments, HPA, Ingress, ConfigMaps, Secrets, and PgBouncer

A pragmatic Kubernetes setup for a real Django app: Deployment + Service + Ingress, ConfigMaps and Secrets done right, liveness/readiness probes that work, HPA on the right metric, and PgBouncer in front of PostgreSQL.

19 min · 521
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DevOps Advanced
Observability for Django: Sentry, Structured Logging, Prometheus, and OpenTelemetry Tracing

Three pillars — logs, metrics, traces — wired into a real Django app. Sentry for errors, structlog for context, django-prometheus for golden signals, OpenTelemetry for distributed traces. The minimum to debug prod without ssh-ing in.

28 min · 576
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Database Advanced
Zero-Downtime Migrations for Django and PostgreSQL: Locks, Backfills, and the Rename Dance

How to ship schema changes without locking your production database. NOT NULL adds, column renames, index creation, and the multi-deploy patterns that separate Django teams who break prod from those who don't.

18 min · 568
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REST API Advanced
JWT and OAuth2 with Django: SimpleJWT, Refresh Rotation, Blacklisting, and Social Auth Done Right

Stop hand-rolling token auth. Production-grade JWT for Django REST Framework: access/refresh tokens with rotation, blacklist-on-logout, secure storage (httpOnly cookies vs localStorage), and OAuth2 social auth with allauth.

19 min · 619
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Python Advanced
Type Hints in Production Python: Generics, Protocols, mypy --strict, and pydantic v2

Move beyond "int and str" type hints. Master TypeVar generics, structural typing with Protocol, TypedDict for JSON, mypy strict mode, and runtime validation with pydantic v2 — what production codebases actually use.

20 min · 706
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Django Advanced
Advanced Caching for Django: Redis, Per-View, Fragment, and Invalidation Patterns That Actually Work

A pragmatic guide to caching in Django: choose the right level (site, view, fragment, low-level), avoid the stampede, and solve the only hard problem — invalidation — with versioned keys and signal-driven busts.

18 min · 538
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Django Advanced
Celery and Redis for Django: Background Tasks, Beat Schedules, Retries, and Flower

Move slow work off the request/response cycle. Architect Celery + Redis for production: workers, queues, retries with exponential backoff, periodic jobs with Beat, and live monitoring with Flower.

18 min · 624
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Django Advanced
Django Signals and Custom Middleware: Production Patterns

Advanced patterns for signals and middleware. Learn when signals cause more pain than value, how to write thread-safe middleware, audit logging, request tracing, and debugging production issues.

29 min · 505
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