gunicorn 24.1.1

WSGI HTTP Server for UNIX

Gunicorn ‘Green Unicorn’ is a Python WSGI HTTP Server for UNIX. It’s a pre-fork worker model ported from Ruby’s Unicorn project. The Gunicorn server is broadly compatible with various web frameworks, simply implemented, light on server resource usage, and fairly speedy.

New in v24: Native ASGI support (beta) for async frameworks like FastAPI!

Quick Start

pip install gunicorn
gunicorn myapp:app --workers 4

For ASGI applications (FastAPI, Starlette):

gunicorn myapp:app --worker-class asgi

Features

• WSGI support for Django, Flask, Pyramid, and any WSGI framework

• ASGI support (beta) for FastAPI, Starlette, Quart

• uWSGI binary protocol for nginx integration

• Multiple worker types: sync, gthread, gevent, eventlet, asgi

• Graceful worker process management

• Compatible with Python 3.12+

Documentation

Full documentation at https://gunicorn.org

• Quickstart

• Configuration

• Deployment

• Settings Reference

Community

• Report bugs on GitHub Issues

• Chat in #gunicorn on Libera.chat

• See CONTRIBUTING.md for contribution guidelines

Sponsors

Gunicorn is maintained thanks to our sponsors. Become a sponsor.

License

Gunicorn is released under the MIT License. See the LICENSE file for details.