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===
CGI
===
If all other deployment methods do not work, CGI will work for sure. CGI
is supported by all major servers but usually has a less-than-optimal
performance.
This is also the way you can use a Werkzeug application on Google's
`AppEngine`_, there however the execution does happen in a CGI-like
environment. The application's performance is unaffected because of that.
.. _AppEngine: https://cloud.google.com/appengine/
Creating a `.cgi` file
======================
First you need to create the CGI application file. Let's call it
`yourapplication.cgi`::
#!/usr/bin/python
from wsgiref.handlers import CGIHandler
from yourapplication import make_app
application = make_app()
CGIHandler().run(application)
If you're running Python 2.4 you will need the :mod:`wsgiref` package. Python
2.5 and higher ship this as part of the standard library.
Server Setup
============
Usually there are two ways to configure the server. Either just copy the
`.cgi` into a `cgi-bin` (and use `mod_rewrite` or something similar to
rewrite the URL) or let the server point to the file directly.
In Apache for example you can put something like this into the config:
.. sourcecode:: apache
ScriptAlias /app /path/to/the/application.cgi
For more information consult the documentation of your webserver.
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