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Advanced backend engineering. Django internals, architecture, and production patterns.
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Celery + Django: Production Task Queue Patterns
Task design, retry strategies, chaining with canvas, beat scheduling, monitoring with Flower, and deployment patterns for production Celery setups.
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Real-time Django: WebSockets with Django Channels
Build production-grade real-time features in Django using Channels, channel layers (Redis), group messaging, and JWT authentication over WebSocket.
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Django ORM Internals: Lazy Evaluation, Query Caching, and the N+1 Problem
How Django QuerySets actually work under the hood — lazy evaluation, the internal cache, and production strategies for eliminating N+1 queries.
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Deploying Django to Production: Gunicorn, Nginx, and systemd
Step-by-step production deployment for Django — Gunicorn WSGI server, Nginx reverse proxy, systemd service management, static files, SSL, and the configuration decisions that matter.
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DRF at Scale: Authentication, Throttling, Versioning, and Caching
Production patterns for Django REST Framework — custom JWT auth, per-endpoint throttling, URL and header versioning, response caching, and query optimization.
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Multi-vendor Platform Architecture in Django
How to model vendors, products, inventory, and orders for a multi-vendor marketplace — tenant isolation, commission logic, and the decisions that matter at scale.
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Nginx Configuration Patterns for Django
Production Nginx config reference for Django — reverse proxy setup, static file serving, WebSocket proxying, rate limiting, gzip, security headers, and multi-site patterns.
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PostgreSQL Dump, Restore, and Transfer
Practical reference for pg_dump, pg_restore, and scp-based database transfers — covering format options, selective restores, remote transfers, and common production gotchas.
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