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Setup in Production

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zuzelvp edited this page May 21, 2011 · 13 revisions

Setup in Production with Apache and WSGI

Configure a new virtualhost for the site

vim /etc/apache2/sites-available/lernanta

This is an example of configuration (replace the values between brackets) ::

<VirtualHost *:80>
    ServerAdmin webmaster@localhost
    ServerName [domain]
    ErrorLog /var/log/apache2/lernanta-error.log

    # Possible values include: debug, info, notice, warn, error, crit,
    # alert, emerg.
    LogLevel warn
    CustomLog /var/log/apache2/lernanta-access.log combined

    # run mod_wsgi process for django in daemon mode
    # this allows avoiding confused timezone settings when
    # another application runs in the same virtual host
    WSGIDaemonProcess Lernanta
    WSGIProcessGroup Lernanta

    # force all content to be served as static files
    # otherwise django will be crunching images through itself wasting time
    Alias /media/ "[path to the source code]/media/"
    <Directory "[path to the source code]/media">
        Order deny,allow
        Allow from all
        Options Indexes MultiViews FollowSymLinks
        AllowOverride None
    </Directory>

    Alias /en/admin-media/ "[path to the virtualenv]/lib/python2.6/site-packages/django/contrib/admin/media/"
    <Directory "[path to the virtualenv]/lib/python2.6/site-packages/django/contrib/admin/media">
        Order deny,allow
        Allow from all
        Options Indexes MultiViews FollowSymLinks
        AllowOverride None
    </Directory>

    #this is your wsgi script described in the prev section
    WSGIScriptAlias / [path to the source code]/wsgi/batucada.wsgi
</VirtualHost>

Add the necessary paths to sitedir (replace the values between brackets)

site.addsitedir(os.path.abspath(os.path.join(wsgidir, '[path to the virtualenv]/lib/python2.6/site-packages')))
site.addsitedir(os.path.abspath(os.path.join(wsgidir, '[path to the virtualenv]/src')))

Reload apache ::

/etc/init.d/apache reload

Update the Site instance's domain from the admin interface and configure your SUPERFEEDR username and password (now in settings.py, but soon in settings_local.py).

Configure email settings (DEFAULT_FROM_EMAIL, EMAIL_HOST, EMAIL_HOST_PASSWORD, EMAIL_HOST_USER) and the email backend

EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'

If you have to update the source code in production, remember to mark the .wsgi file as updated

touch wsgi/batucada.wsgi

We are using MySQL but if you want to try with PostgreSQL you could read a bit of documentation on https://github.com/p2pu/lernanta/pull/25.

Setup Celery Tasks

To use celery we need to create a RabbitMQ user, a virtual host and allow that user access to that virtual host:

sudo apt-get install rabbitmq-server
rabbitmqctl add_user lernanta_user mypassword
rabbitmqctl add_vhost lernanta_vhost
rabbitmqctl set_permissions -p lernanta_vhost lernanta_user ".*" ".*" ".*"

See also:

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