Question

I m trying to deploy some Pyramid code to dotcloud. Unfortunately some paths are not mapped in the same way as in local paster deployment. When I m running the development configuration with local server through paster serve ..., I can access static files configured in:

config.add_static_view( static ,  appname:static )

however on the dotcloud servers, when the scripts run via the following wsgi.py:

import os, sys
from paste.deploy import loadapp
current_dir = os.path.dirname(__file__)
application = loadapp( config:production.ini , relative_to=current_dir)

static content is searched for in a wrong directory. Instead of /home/dotcloud/current/static/pylons.css, it should look in /home/dotcloud/current/appname/static/pylons.css

Is there some part of wsgi configuration which can define the base directory? What am I missing? The application is run via nginx / uwsgi.

I tried to load config:../production.ini, relative_to=current_dir + /appname but that didn t change anything.

Answer 1

On DotCloud, URLs starting with /static are handled directly by nginx, not by uwsgi. That means that your code will never see those requests: they will be served straight away from the static/ subdirectory of your application.

One possible workaround is to setup a symlink from static to appname/static.

If you don t want to clutter your repository with such a symlink, you can use a postinstall script instead:

#!/bin/sh
# This creates the symlink required by DotCloud to serve static content from nginx
ln -s ~/current/appname/static ~/current/static

The symlink is sleek, but the postinstall scripts gives you the opportunity to drop in a comment in the file, to explain its purpose :-)

Future releases of DotCloud might offer a "naked configuration" toggle, where the nginx configuration won t include any special path handling, just in case you don t want them.

Meanwhile, if you want to see the nginx default configuration of your DotCloud service, you can just dotcloud ssh to your service, and inspect /etc/nginx/sites-enabled/default.

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