Skip to content
gunicorn 'Green Unicorn' is a WSGI HTTP Server for UNIX, fast clients and sleepy applications.
Python Makefile



Build Status

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.

Feel free to join us in #gunicorn on Freenode.


The documentation is hosted at


Gunicorn requires Python 2.x >= 2.6 or Python 3.x >= 3.2.

Install from PyPI:

$ pip install gunicorn


Basic usage:


Where APP_MODULE is of the pattern $(MODULE_NAME):$(VARIABLE_NAME). The module name can be a full dotted path. The variable name refers to a WSGI callable that should be found in the specified module.

Example with test app:

$ cd examples
$ gunicorn --workers=2 test:app


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

Something went wrong with that request. Please try again.