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balkian.github.com/_posts/2014-10-09-proxies.markdown
J. Fernando Sánchez 43a0c63169 Proxies
2014-10-09 20:37:27 +02:00

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post Proxies with Apache and python 2014-10-09 10:00:00 python apache proxy gunicorn uwsgi

This is a quick note on proxying a local python application (e.g. flask) to a subdirectory in Apache. This assumes that the file wsgi.py contains a WSGI application with the name application. Hence, wsgi:application.

Gunicorn

{% highlight apache %} <Location /myapp/> ProxyPass http://127.0.0.1:8888/myapp/ ProxyPassReverse http://127.0.0.1:8888/myapp/ RequestHeader set SCRIPT_NAME "/myapp/" {% endhighlight %}

Important: SCRIPT_NAME and the end of ProxyPass URL MUST BE THE SAME. Otherwise, Gunicorn will fail miserably.

Try it with: {% highlight bash %} venv/bin/gunicorn -w 4 -b 127.0.0.1:8888 --log-file - --access-logfile - wsgi:application {% endhighlight %}

UWSGI

This is a very simple configuration. I will try to upload one with more options for uwsgi (in a .ini file).

{% highlight apache %} <Location /myapp/> SetHandler uwsgi_handler uWSGISocker 127.0.0.1:8888 {% endhighlight %}

Try it with:

{% highlight bash %} uwsgi --socket 127.0.0.1:8888 -w wsgi:application {% endhighlight %}

Extra: Supervisor

If everything went as expected, you can wrap your command in a supervisor config file and let it handle the server for you. {% highlight ini %} [unix_http_server] file=/tmp/myapp.sock ; path to your socket file

[supervisord] logfile = %(here)s/logs/supervisor.log childlogdir = %(here)s/logs/

[rpcinterface:supervisor] supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface

[supervisorctl] logfile = %(here)s/logs/supervisorctl.log serverurl=unix:///tmp/supervisor.sock ; use a unix:// URL for a unix socket

[program:myapp] command = venv/bin/gunicorn -w 4 -b 0.0.0.0:5000 --log-file %(here)s/logs/gunicorn.log --access-logfile - wsgi:application directory = %(here)s environment = PATH=%(here)s/venv/bin/ logfile = %(here)s/logs/myapp.log {% endhighlight %}