Gunicorn (‘Green Unicorn’) is a pure-Python WSGI server for UNIX. It has no dependencies and is easy to install and use.
Installing gunicorn is as easy as sudo pip install gunicorn. For more details, see the gunicorn documentation.
When Gunicorn is installed, a gunicorn command is available which starts the Gunicorn server process. At its simplest, gunicorn just needs to be called with a the location of a WSGI application object.:
gunicorn [OPTIONS] APP_MODULE
Where APP_MODULE is of the pattern MODULE_NAME:VARIABLE_NAME. The module name should be a full dotted path. The variable name refers to a WSGI callable that should be found in the specified module.
So for a typical Django project, invoking gunicorn would look like:
gunicorn myproject.wsgi:application
(This requires that your project be on the Python path; the simplest way to ensure that is to run this command from the same directory as your manage.py file.)
See Gunicorn’s deployment documentation for additional tips.
Jul 20, 2015