Gunicorn - Python WSGI HTTP Server for UNIX

Battle-tested. Production-ready. One command to serve your Python apps.
Trusted by thousands of companies. The pre-fork worker model handles traffic spikes gracefully.
Minimal dependencies, simple configuration. Efficient from containers to bare metal.
Works with any WSGI or ASGI framework. Django, Flask, FastAPI—it just runs.
WSGI and ASGI frameworks, no changes needed
The default. One request per worker. Simple and predictable.
Thousands of concurrent connections for I/O-bound workloads.
Multiple threads per worker. Balance concurrency and simplicity.
Native asyncio for FastAPI, Starlette, and async frameworks.
Powering Python apps since 2010. Support continued development.
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