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POuwsgi failing to start on Heroku?
 

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    <p>I'm trying to deploy Django to Heroku (cedar stack) with uwsgi as my app server.</p> <p>I've tried several configurations I've used successfully with deployments on dedicated servers. However, Heroku keeps complaining that uwsgi isn't listening on the correct port, even though I'm using the $PORT env variable in my Procfile.</p> <h3>Procfile</h3> <pre><code>web: uwsgi --http :$PORT --home $HOME --ini conf/uwsgi.ini </code></pre> <h3>conf/uwsgi.ini</h3> <p>(Note that I've tried a bunch of configuration tweaks, this is the simplest one that I've tried, always the same error about the wrong PORT number.)</p> <pre><code>env = DJANGO_SETTINGS_MODULE=retargeting.settings module = django.core.handlers.wsgi:WSGIHandler() </code></pre> <h3>Here is the output from my heroku logs:</h3> <pre><code>2012-03-30T17:36:09+00:00 heroku[slugc]: Slug compilation finished2012-03-30T17:36:13+00:00 heroku[web.1]: Starting process with command `uwsgi --http :3810 --home /app --ini conf/uwsgi.ini` 2012-03-30T17:36:13+00:00 app[web.1]: [uWSGI] getting INI configuration from conf/uwsgi.ini 2012-03-30T17:36:13+00:00 app[web.1]: *** Starting uWSGI 1.1.2 (64bit) on [Fri Mar 30 17:36:13 2012] *** 2012-03-30T17:36:13+00:00 app[web.1]: compiled with version: 4.4.3 on 30 March 2012 03:51:49 2012-03-30T17:36:13+00:00 app[web.1]: current working directory: /app 2012-03-30T17:36:13+00:00 app[web.1]: detected binary path: /app/bin/uwsgi 2012-03-30T17:36:13+00:00 app[web.1]: *** WARNING: you are running uWSGI without its master process manager *** 2012-03-30T17:36:13+00:00 app[web.1]: your memory page size is 4096 bytes 2012-03-30T17:36:13+00:00 app[web.1]: detected max file descriptor number: 10000 2012-03-30T17:36:13+00:00 app[web.1]: lock engine: pthread mutexes 2012-03-30T17:36:13+00:00 app[web.1]: uWSGI http bound on :3810 fd 4 2012-03-30T17:36:13+00:00 app[web.1]: spawned uWSGI http 1 (pid: 4) 2012-03-30T17:36:13+00:00 app[web.1]: uwsgi socket 0 bound to TCP address 127.0.0.1:43681 (port auto-assigned) fd 3 2012-03-30T17:36:13+00:00 app[web.1]: Python version: 2.7.2 (default, Oct 31 2011, 16:22:04) [GCC 4.4.3] 2012-03-30T17:36:13+00:00 app[web.1]: Set PythonHome to /app 2012-03-30T17:36:13+00:00 app[web.1]: Python main interpreter initialized at 0x134c5d0 2012-03-30T17:36:13+00:00 app[web.1]: your server socket listen backlog is limited to 100 connections 2012-03-30T17:36:13+00:00 app[web.1]: *** Operational MODE: single process *** 2012-03-30T17:36:13+00:00 app[web.1]: WSGI app 0 (mountpoint='') ready in 0 seconds on interpreter 0x134c5d0 pid: 3 (default app) 2012-03-30T17:36:13+00:00 app[web.1]: *** uWSGI is running in multiple interpreter mode *** 2012-03-30T17:36:13+00:00 app[web.1]: spawned uWSGI worker 1 (and the only) (pid: 3, cores: 1) 2012-03-30T17:36:14+00:00 heroku[web.1]: Error R11 (Bad bind) -&gt; Process bound to port 43681, should be 3810 (see environment variable PORT) 2012-03-30T17:36:14+00:00 heroku[web.1]: Stopping process with SIGKILL 2012-03-30T17:36:15+00:00 heroku[web.1]: Process exited with status 137 2012-03-30T17:36:15+00:00 heroku[web.1]: State changed from starting to crashed </code></pre> <p>As you can see from the first line in the log, the correct port is being passed to uwsigi. Any thoughts on why this isn't working?</p>
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