Flask Vibe Tutorials
Learn Flask + PostgreSQL + Vanilla JS through practical examples
In-Depth Guides
Long-form field guides drawn from real production experience.
Flask Memory Leaks You Will Hit
Streaming proxies, connection pool traps, unbounded caches, Flask-Limiter pitfalls — and how to diagnose them.
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Flask Security Model
SQL injection, CSRF, session management — how Flask's explicit approach makes security verifiable.
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Deploying Flask to Production
Gunicorn, gevent, nginx, Railway, Render, Fly.io — the full production deployment stack explained.
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Flask in Production: Real Companies
Instagram, Pinterest, Airbnb, Netflix — real deployments, real scale, real architectural lessons.
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Flask vs Next.js Benchmark
Methodology, results, and what the numbers actually mean for your production app.
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WordPress to Static Site with AI
How to migrate a WordPress site to a static Flask-generated site using AI assistance.
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Filters
CSRF Protection in Flask Forms
Understand CSRF attacks and build your own protection from scratch using Python's secrets module — no library needed for most apps.
Background Tasks with Celery and Redis
Run slow operations (emails, AI calls, report generation) in the background without blocking your Flask responses. A complete Celery + Redis setup.
Role-Based Access Control with Decorators
Build @login_required and @admin_required decorators from scratch. Understand how functools.wraps works and how to stack decorators cleanly.
File Uploads with Validation
Handle file uploads safely in Flask: validate file types and sizes, use secure_filename, save to disk, and store the path in PostgreSQL.
PostgreSQL Connection Pooling with psycopg2
Stop opening a new database connection on every request. Learn how to use psycopg2's ThreadedConnectionPool to reuse connections efficiently.
Helper Modules: Clean Routes with the OpenAI API
Keep Flask routes thin by moving business logic into utils/ helper files. Build a text summarization helper using the OpenAI API as a real example.
Getting Started with Flask Vibe
Learn why Flask + PostgreSQL + Vanilla JS is the perfect stack for AI-assisted development in 2026.
AI-Friendly Coding Patterns
Write code that AI assistants can reliably generate, understand, and modify. Learn patterns that work brilliantly with Claude, ChatGPT, and Copilot.
Flask + PostgreSQL CRUD Operations
Build a complete CRUD application using Flask and raw SQL with psycopg2. No ORM, just transparent database operations.