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< h2 class = "title" > Proxies with Apache and python< / h2 >
< span class = "meta date" > 2014-10-09< / span >
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< span class = "tag" > < a href = "/tag/python.html" class = "label label-default" > python< / a > < / span >
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< p > 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 < em > application< / em > . Hence, wsgi:application.< / p >
< div class = "section" id = "gunicorn" >
< h2 > Gunicorn< / h2 >
< table class = "highlighttable" > < tr > < td class = "linenos" > < div class = "linenodiv" > < pre > 1
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5< / pre > < / div > < / td > < td class = "code" > < div class = "highlight" > < pre > < span > < / span > < span class = "nt" > < Location< / span > < span class = "s" > /myapp/< / span > < span class = "nt" > > < / span >
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< span class = "nb" > ProxyPass< / span > http://127.0.0.1:8888/myapp/
< span class = "nb" > ProxyPassReverse< / span > http://127.0.0.1:8888/myapp/
< span class = "nb" > RequestHeader< / span > set SCRIPT_NAME < span class = "s2" > " /myapp/" < / span >
< span class = "nt" > < /Location> < / span >
< / pre > < / div >
< / td > < / tr > < / table > < p > < strong > Important< / strong > : < em > SCRIPT_NAME< / em > and the end of < em > ProxyPass< / em > URL < strong > MUST BE
THE SAME< / strong > . Otherwise, Gunicorn will fail miserably.< / p >
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< p > Try it with:< / p >
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< table class = "highlighttable" > < tr > < td class = "linenos" > < div class = "linenodiv" > < pre > 1< / pre > < / div > < / td > < td class = "code" > < div class = "highlight" > < pre > < span > < / span > venv/bin/gunicorn -w < span class = "m" > 4< / span > -b 127.0.0.1:8888 --log-file - --access-logfile - wsgi:application
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< / pre > < / div >
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< / td > < / tr > < / table > < / div >
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< div class = "section" id = "uwsgi" >
< h2 > UWSGI< / h2 >
< p > This is a very simple configuration. I will try to upload one with more
options for uwsgi (in a .ini file).< / p >
< table class = "highlighttable" > < tr > < td class = "linenos" > < div class = "linenodiv" > < pre > 1
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4< / pre > < / div > < / td > < td class = "code" > < div class = "highlight" > < pre > < span > < / span > < span class = "nt" > < Location< / span > < span class = "s" > /myapp/< / span > < span class = "nt" > > < / span >
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< span class = "nb" > SetHandler< / span > uwsgi_handler
< span class = "nb" > uWSGISocker< / span > < span class = "m" > 127.0.0.1< / span > :8888
< span class = "nt" > < /Location> < / span >
< / pre > < / div >
< / td > < / tr > < / table > < p > Try it with:< / p >
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< table class = "highlighttable" > < tr > < td class = "linenos" > < div class = "linenodiv" > < pre > 1< / pre > < / div > < / td > < td class = "code" > < div class = "highlight" > < pre > < span > < / span > uwsgi --socket 127.0.0.1:8888 -w wsgi:application
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< / pre > < / div >
< / td > < / tr > < / table > < div class = "section" id = "extra-supervisor" >
< h3 > Extra: Supervisor< / h3 >
< p > If everything went as expected, you can wrap your command in a
supervisor config file and let it handle the server for you.< / p >
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19< / pre > < / div > < / td > < td class = "code" > < div class = "highlight" > < pre > < span > < / span > < span class = "k" > [unix_http_server]< / span >
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< span class = "na" > file< / span > < span class = "o" > =< / span > < span class = "s" > /tmp/myapp.sock ; path to your socket file< / span >
< span class = "k" > [supervisord]< / span >
< span class = "na" > logfile< / span > < span class = "o" > =< / span > < span class = "s" > %(here)s/logs/supervisor.log< / span >
< span class = "na" > childlogdir< / span > < span class = "o" > =< / span > < span class = "s" > %(here)s/logs/< / span >
< span class = "k" > [rpcinterface:supervisor]< / span >
< span class = "na" > supervisor.rpcinterface_factory< / span > < span class = "o" > =< / span > < span class = "s" > supervisor.rpcinterface:make_main_rpcinterface< / span >
< span class = "k" > [supervisorctl]< / span >
< span class = "na" > logfile< / span > < span class = "o" > =< / span > < span class = "s" > %(here)s/logs/supervisorctl.log< / span >
< span class = "na" > serverurl< / span > < span class = "o" > =< / span > < span class = "s" > unix:///tmp/supervisor.sock ; use a unix:// URL for a unix socket< / span >
< span class = "k" > [program:myapp]< / span >
< span class = "na" > command< / span > < span class = "o" > =< / span > < span class = "s" > venv/bin/gunicorn -w 4 -b 0.0.0.0:5000 --log-file %(here)s/logs/gunicorn.log --access-logfile - wsgi:application< / span >
< span class = "na" > directory< / span > < span class = "o" > =< / span > < span class = "s" > %(here)s< / span >
< span class = "na" > environment< / span > < span class = "o" > =< / span > < span class = "s" > PATH=%(here)s/venv/bin/< / span >
< span class = "na" > logfile< / span > < span class = "o" > =< / span > < span class = "s" > %(here)s/logs/myapp.log< / span >
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J. Fernando Sánchez Rada | balkian
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