gunicorn

Supports both WSGI frameworks like Django and Flask, and ASGI frameworks like FastAPI and Starlette, as shown in the quick start examples for ASGI applications.

Offers multiple worker types including sync, gevent, eventlet, and asgi, allowing fine-tuning for different concurrency needs, as listed in the features.

Uses a pre-fork worker model that minimizes resource overhead, making it lightweight for production, as emphasized in the philosophy of simplicity and efficiency.

Integrates with nginx via the uWSGI protocol for optimized serving, a key feature highlighted for deployment scalability.