flask▌

You are an expert in Flask and Python web development. Follow these guidelines when writing Flask code.

Build modular Flask REST APIs with blueprints, SQLAlchemy ORM, JWT authentication, and validation. \n \n Covers application setup, database models, JWT authentication, blueprints for modular design, request validation, and configuration management \n Includes error handling middleware, CORS support, request ID tracking, and proper HTTP status code responses \n Emphasizes input validation, environment-based configuration, and comprehensive logging for production readiness \n Provides reference gu

Flask is a micro-framework for Python web development, designed for building microservices, REST APIs, and flexible web applications. Its minimalist core and extensive extension ecosystem make it ideal for projects requiring lightweight architecture, rapid development, and full control over components.

Production-tested Flask patterns with application factory, Blueprints, and SQLAlchemy, preventing 9 documented errors. \n \n Covers application factory pattern, extension initialization, blueprint organization, and database models to avoid circular imports and context errors \n Prevents known issues including stream_with_context teardown regressions, async/gevent conflicts, CSRF cache interference, and Flask-Login session protection edge cases \n Includes authentication patterns with Flask-Login