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145 lines
4.3 KiB
ReStructuredText
145 lines
4.3 KiB
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============
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Installation
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============
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.. highlight:: bash
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:Requirements: **Python 2.x >= 2.6** or **Python 3.x >= 3.2**
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To install the latest released version of Gunicorn::
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$ pip install gunicorn
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From Source
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===========
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You can install Gunicorn from source just as you would install any other
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Python package::
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$ pip install git+https://github.com/benoitc/gunicorn.git
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This will allow you to keep up to date with development on GitHub::
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$ pip install -U git+https://github.com/benoitc/gunicorn.git
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Async Workers
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=============
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You may also want to install Eventlet_ or Gevent_ if you expect that your
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application code may need to pause for extended periods of time during request
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processing. Check out the `design docs`_ for more information on when you'll
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want to consider one of the alternate worker types.
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::
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$ pip install greenlet # Required for both
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$ pip install eventlet # For eventlet workers
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$ pip install gunicorn[eventlet] # Or, using extra
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$ pip install gevent # For gevent workers
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$ pip install gunicorn[gevent] # Or, using extra
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.. note::
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Both require ``greenlet``, which should get installed automatically,
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If its installation fails, you probably need to install
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the Python headers. These headers are available in most package
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managers. On Ubuntu the package name for ``apt-get`` is
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``python-dev``.
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Gevent_ also requires that ``libevent`` 1.4.x or 2.0.4 is installed.
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This could be a more recent version than what is available in your
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package manager. If Gevent_ fails to build even with libevent_
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installed, this is the most likely reason.
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Debian GNU/Linux
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================
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If you are using Debian GNU/Linux and it is recommended that you use
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system packages to install Gunicorn except maybe when you want to use
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different versions of Gunicorn with virtualenv. This has a number of
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advantages:
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* Zero-effort installation: Automatically starts multiple Gunicorn instances
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based on configurations defined in ``/etc/gunicorn.d``.
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* Sensible default locations for logs (``/var/log/gunicorn``). Logs
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can be automatically rotated and compressed using ``logrotate``.
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* Improved security: Can easily run each Gunicorn instance with a dedicated
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UNIX user/group.
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* Sensible upgrade path: Upgrades to newer versions result in less downtime,
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handle conflicting changes in configuration options, and can be quickly
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rolled back in case of incompatibility. The package can also be purged
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entirely from the system in seconds.
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stable ("stretch")
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------------------
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The version of Gunicorn in the Debian_ "stable" distribution is 19.6.0 (June
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2017). You can install it using::
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$ sudo apt-get install gunicorn
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You can also use the most recent version by using `Debian Backports`_.
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First, copy the following line to your ``/etc/apt/sources.list``::
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deb http://ftp.debian.org/debian stretch-backports main
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Then, update your local package lists::
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$ sudo apt-get update
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You can then install the latest version using::
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$ sudo apt-get -t stretch-backports install gunicorn
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oldstable ("jessie")
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--------------------
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The version of Gunicorn in the Debian_ "oldstable" distribution is 19.0 (June
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2014). you can install it using::
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$ sudo apt-get install gunicorn
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You can also use the most recent version by using `Debian Backports`_.
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First, copy the following line to your ``/etc/apt/sources.list``::
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deb http://ftp.debian.org/debian jessie-backports main
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Then, update your local package lists::
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$ sudo apt-get update
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You can then install the latest version using::
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$ sudo apt-get -t jessie-backports install gunicorn
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Testing ("buster") / Unstable ("sid")
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-------------------------------------
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"buster" and "sid" contain the latest released version of Gunicorn. You can
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install it in the usual way::
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$ sudo apt-get install gunicorn
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Ubuntu
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======
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Ubuntu_ 12.04 (trusty) or later contains Gunicorn package by default so that
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you can install it in the usual way::
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$ sudo apt-get update
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$ sudo apt-get install gunicorn
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.. _`design docs`: design.html
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.. _Eventlet: http://eventlet.net
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.. _Gevent: http://www.gevent.org/
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.. _libevent: http://libevent.org/
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.. _Debian: https://www.debian.org/
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.. _`Debian Backports`: https://backports.debian.org/
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.. _Ubuntu: https://www.ubuntu.com/
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