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NGINX: Proxy folders to different root
Published: 04-04-2013 | Author: Remy van Elst | Text only version of this article
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This tutorial shows you how to have NGINX use different folders as different upstream proxy's.
By default, if you have a location block which has a proxy pass, and the
location block is a folder, for example /wiki, the folder is sent back to
the proxied server:
location /nagios/ {
proxy_pass http://10.0.21.8:80/;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto https;
proxy_redirect off;
}
The above block will, when browsed, sent you to http://10.0.21.8/nagios/,
because that is the nginx location. However, if you want it to go to
http://10.0.21.8/ you either have to rewrite or use the / location.
The below example has the correct rewrite rule:
location /nagios/ {
rewrite ^/nagios(/.*)$ $1 break;
proxy_pass http://10.0.21.8:80/;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto https;
proxy_redirect off;
}
As you can see, this line:
rewrite ^/collectd(/.*)$ $1 break;
fixes the above problem, and sends you to http://10.0.21.8/ instead of
http://10.0.21.8/nagios.