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99 lines
3.0 KiB
ReStructuredText
99 lines
3.0 KiB
ReStructuredText
.. _configuration:
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======================
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Configuration Overview
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======================
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Gunicorn pulls configuration information from three distinct places.
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The first place that Gunicorn will read configuration from is the framework
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specific configuration file. Currently this only affects Paster applications.
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The second source of configuration information is a configuration file that is
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optionally specified on the command line. Anything specified in the Gunicorn
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config file will override any framework specific settings.
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Lastly, the command line arguments used to invoke Gunicorn are the final place
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considered for configuration settings. If an option is specified on the command
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line, this is the value that will be used.
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Once again, in order of least to most authoritative:
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1. Framework Settings
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2. Configuration File
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3. Command Line
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.. note::
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To check your configuration when using the command line or the
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configuration file you can run the following command::
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$ gunicorn --check-config APP_MODULE
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It also allows you to know if your application can be launched.
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Command Line
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============
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If an option is specified on the command line, it overrides all other values
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that may have been specified in the app specific settings, or in the optional
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configuration file. Not all Gunicorn settings are available to be set from the
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command line. To see the full list of command line settings you can do the
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usual::
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$ gunicorn -h
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There is also a ``--version`` flag available to the command line scripts that
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isn't mentioned in the list of :ref:`settings <settings>`.
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Configuration File
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==================
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The configuration file should be a valid Python source file. It only needs to
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be readable from the file system. More specifically, it does not need to be
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importable. Any Python is valid. Just consider that this will be run every time
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you start Gunicorn (including when you signal Gunicorn to reload).
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To set a parameter, just assign to it. There's no special syntax. The values
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you provide will be used for the configuration values.
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For instance::
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import multiprocessing
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bind = "127.0.0.1:8000"
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workers = multiprocessing.cpu_count() * 2 + 1
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All the settings are mentioned in the :ref:`settings <settings>` list.
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Framework Settings
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==================
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Currently, only Paster applications have access to framework specific
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settings. If you have ideas for providing settings to WSGI applications or
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pulling information from Django's settings.py feel free to open an issue_ to
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let us know.
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.. _issue: http://github.com/benoitc/gunicorn/issues
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Paster Applications
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-------------------
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In your INI file, you can specify to use Gunicorn as the server like such:
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.. code-block:: ini
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[server:main]
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use = egg:gunicorn#main
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host = 192.168.0.1
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port = 80
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workers = 2
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proc_name = brim
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Any parameters that Gunicorn knows about will automatically be inserted into
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the base configuration. Remember that these will be overridden by the config
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file and/or the command line.
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