Deploy a Python Flask App to Render with Docker

A comprehensive guide to building and deploying a Flask application using Docker containers. The tutorial covers creating a Flask app with Celery background workers, using RabbitMQ as a message broker, and deploying the multi-service application to Render. It includes detailed Docker setup instructions for macOS, configuration files for local development and production deployment, and integration with CloudAMQP for managed RabbitMQ hosting.