# Django 2.1.8.dev20190330215650 documentation

# How to use Django with uWSGI

uWSGI is a fast, self-healing and developer/sysadmin-friendly application container server coded in pure C.

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The uWSGI docs offer a tutorial covering Django, nginx, and uWSGI (one possible deployment setup of many). The docs below are focused on how to integrate Django with uWSGI.

## Prerequisite: uWSGI

The uWSGI wiki describes several installation procedures. Using pip, the Python package manager, you can install any uWSGI version with a single command. For example:

    # Install current stable version.
    $ pip install uwsgi

    # Or install LTS (long term support).
    $ pip install https://projects.unbit.it/downloads/uwsgi-lts.tar.gz

### uWSGI model

uWSGI operates on a client-server model. Your Web server (e.g., nginx, Apache) communicates with a django-uwsgi "worker" process to serve dynamic content.

### Configuring and starting the uWSGI server for Django

uWSGI supports multiple ways to configure the process. See uWSGI's configuration documentation.

Here's an example command to start a uWSGI server:

    uwsgi --chdir=/path/to/your/project \
        --module=mysite.wsgi:application \
        --env DJANGO_SETTINGS_MODULE=mysite.settings \
        --master --pidfile=/tmp/project-master.pid \
        --socket=127.0.0.1:49152 \      # can also be a file
        --processes=5 \                 # number of worker processes
        --uid=1000 --gid=2000 \         # if root, uwsgi can drop privileges
        --harakiri=20 \                 # respawn processes taking more than 20 seconds
        --max-requests=5000 \           # respawn processes after serving 5000 requests
        --vacuum \                      # clear environment on exit
        --home=/path/to/virtual/env \   # optional path to a virtualenv
        --daemonize=/var/log/uwsgi/yourproject.log      # background the process

This assumes you have a top-level project package named `mysite`, and within it a module `mysite/wsgi.py` that contains a WSGI `application` object. This is the layout you'll have if you ran `django-admin startproject mysite` (using your own project name in place of `mysite`) with a recent version of Django. If this file doesn't exist, you'll need to create it. See the How to deploy with WSGI documentation for the default contents you should put in this file and what else you can add to it.

The Django-specific options here are:

- `chdir`: The path to the directory that needs to be on Python's import path -- i.e., the directory containing the `mysite` package.
- `module`: The WSGI module to use -- probably the `mysite.wsgi` module that `startproject` creates.
- `env`: Should probably contain at least `DJANGO_SETTINGS_MODULE`.
- `home`: Optional path to your project virtualenv.

Example ini configuration file:

    [uwsgi]
    chdir=/path/to/your/project
    module=mysite.wsgi:application
    master=True
    pidfile=/tmp/project-master.pid
    vacuum=True
    max-requests=5000
    daemonize=/var/log/uwsgi/yourproject.log

Example ini configuration file usage:

    uwsgi --ini uwsgi.ini

Fixing `UnicodeEncodeError` for file uploads

If you get a `UnicodeEncodeError` when uploading files with file names that contain non-ASCII characters, make sure uWSGI is configured to accept non-ASCII file names by adding this to your `uwsgi.ini`:

    env = LANG=en_US.UTF-8

See the Files section of the Unicode reference guide for details.

See the uWSGI docs on managing the uWSGI process for information on starting, stopping and reloading the uWSGI workers.