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This allows you to specify that you want setproctitle installed so that gunicorn can set meaningful process names at install time or in a requirements file.
54 lines
1.9 KiB
ReStructuredText
54 lines
1.9 KiB
ReStructuredText
.. _custom:
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==================
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Custom Application
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==================
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.. versionadded:: 19.0
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Sometimes, you want to integrate Gunicorn with your WSGI application. In this
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case, you can inherit from :class:`gunicorn.app.base.BaseApplication`.
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Here is a small example where we create a very small WSGI app and load it with
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a custom Application:
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.. literalinclude:: ../../examples/standalone_app.py
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:start-after: # See the NOTICE for more information
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:lines: 2-
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Direct Usage of Existing WSGI Apps
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----------------------------------
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If necessary, you can run Gunicorn straight from Python, allowing you to
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specify a WSGI-compatible application at runtime. This can be handy for
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rolling deploys or in the case of using PEX files to deploy your application,
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as the app and Gunicorn can be bundled in the same PEX file. Gunicorn has
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this functionality built-in as a first class citizen known as
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:class:`gunicorn.app.wsgiapp`. This can be used to run WSGI-compatible app
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instances such as those produced by Flask or Django. Assuming your WSGI API
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package is *exampleapi*, and your application instance is *app*, this is all
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you need to get going::
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gunicorn.app.wsgiapp exampleapi:app
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This command will work with any Gunicorn CLI parameters or a config file - just
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pass them along as if you're directly giving them to Gunicorn:
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.. code-block:: bash
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# Custom parameters
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$ python gunicorn.app.wsgiapp exampleapi:app --bind=0.0.0.0:8081 --workers=4
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# Using a config file
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$ python gunicorn.app.wsgiapp exampleapi:app -c config.py
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Note for those using PEX: use ``-c gunicorn`` as your entry at build
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time, and your compiled app should work with the entry point passed to it at
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run time.
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.. code-block:: bash
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# Generic pex build command via bash from root of exampleapi project
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$ pex . -v -c gunicorn -o compiledapp.pex
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# Running it
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./compiledapp.pex exampleapi:app -c gunicorn_config.py
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