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
Localization with Flask-Babel
Translate your Flask app into multiple languages using Flask-Babel. Covers string extraction, .po files, locale detection, and a language switcher.
Webhook Handling: Stripe and GitHub
Receive and verify webhooks from Stripe and GitHub. Covers signature verification, idempotency, and fast response with background processing.
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.
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.
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.
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.
Flask + PostgreSQL CRUD Operations
Build a complete CRUD application using Flask and raw SQL with psycopg2. No ORM, just transparent database operations.
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.
Getting Started with Flask Vibe
Learn why Flask + PostgreSQL + Vanilla JS is the perfect stack for AI-assisted development in 2026.