Learn how to use Gunicorn, a web server for Python applications, to host Flask-based APIs. Discover how Gunicorn uses pre-forking to handle requests faster and how to customize server configurations using command line flags. Follow this step-by-step guide to set up Gunicorn with Nginx and deploy a simple Flask app. Don’t forget to check out the example config file for Gunicorn to fine-tune performance and logging settings.