gunicorn/README.md
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# Gunicorn
<p align="center">
<strong>Gunicorn is maintained by volunteers. If it powers your production, please consider supporting us:</strong><br>
<a href="https://github.com/sponsors/benoitc"><img src="https://img.shields.io/badge/GitHub_Sponsors-❤-ea4aaa?style=for-the-badge&logo=github" alt="GitHub Sponsors"></a>
<a href="https://opencollective.com/gunicorn"><img src="https://img.shields.io/badge/Open_Collective-Support-7FADF2?style=for-the-badge&logo=opencollective" alt="Open Collective"></a>
<a href="https://checkout.revolut.com/pay/c934e028-3a71-44eb-b99c-491342df2044"><img src="https://img.shields.io/badge/Revolut-Donate-191c20?style=for-the-badge" alt="Revolut"></a>
</p>
[![PyPI version](https://img.shields.io/pypi/v/gunicorn.svg?style=flat)](https://pypi.python.org/pypi/gunicorn)
[![Supported Python versions](https://img.shields.io/pypi/pyversions/gunicorn.svg)](https://pypi.python.org/pypi/gunicorn)
[![Build Status](https://github.com/benoitc/gunicorn/actions/workflows/tox.yml/badge.svg)](https://github.com/benoitc/gunicorn/actions/workflows/tox.yml)
Gunicorn 'Green Unicorn' is a Python WSGI HTTP Server for UNIX. It's a pre-fork
worker model ported from Ruby's [Unicorn](https://bogomips.org/unicorn/) project. The Gunicorn server is broadly
compatible with various web frameworks, simply implemented, light on server
resource usage, and fairly speedy.
**New in v25**: Per-app worker allocation for dirty arbiters, HTTP/2 support (beta)!
## Quick Start
```bash
pip install gunicorn
gunicorn myapp:app --workers 4
```
For ASGI applications (FastAPI, Starlette):
```bash
gunicorn myapp:app --worker-class asgi
```
## Features
- WSGI support for Django, Flask, Pyramid, and any WSGI framework
- **ASGI support** (beta) for FastAPI, Starlette, Quart
- **HTTP/2 support** (beta) with multiplexed streams
- **Dirty Arbiters** for heavy workloads (ML models, long-running tasks)
- uWSGI binary protocol for nginx integration
- Multiple worker types: sync, gthread, gevent, eventlet, asgi
- Graceful worker process management
- Compatible with Python 3.9+
## Documentation
Full documentation at https://gunicorn.org
- [Quickstart](https://gunicorn.org/quickstart/)
- [Configuration](https://gunicorn.org/configure/)
- [Deployment](https://gunicorn.org/deploy/)
- [Settings Reference](https://gunicorn.org/reference/settings/)
## Community
- Report bugs on [GitHub Issues](https://github.com/benoitc/gunicorn/issues)
- Chat in [#gunicorn](https://web.libera.chat/?channels=#gunicorn) on [Libera.chat](https://libera.chat/)
- See [CONTRIBUTING.md](CONTRIBUTING.md) for contribution guidelines
## Support
Powering Python apps since 2010. Support continued development.
[![Become a Sponsor](https://img.shields.io/badge/Become_a_Sponsor-❤-ff69b4)](https://gunicorn.org/sponsor/)
## License
Gunicorn is released under the MIT License. See the [LICENSE](https://github.com/benoitc/gunicorn/blob/master/LICENSE) file for details.