Hello, we are using NGINX to serve a combination of local and proxied content coming from both an Apache server (mostly PHP content) and IIS 7.5 (a handful of third party .Net applications). The proxy is working properly for the pages themselves, but we wanted set up a separate location block for the "static" files (js, images, etc) to use different caching rules. In theory, each of the static file location blocks should be serving from the location specified in its parent location block, but instead ALL image requests are being routed to the root block.


Server A: Contains the root site and all sorts of images.
Server B: Contains applications in specific folders, and each folder has local images.

A simplified version of our server block:

upstream server_a {server 10.64.1.10:80;}
upstream server_b {server 10.64.1.20:80;}

server {
listen 80;
server_name www.site.edu;
#some irrelevant proxy, cache, and header code goes here

# root location
location / {
proxy_cache_valid 200 301 302 304 10m; #content changes regularly
proxy_cache_use_stale error timeout updating;
expires 60m;
proxy_pass http://server_a;

#this is the location for "static" content in the root. It is being called for ALL static files of these types
location ~* \.(css|js|png|jpe?g|gif)$ {
proxy_cache_valid 200 301 302 304 30d;
expires 30d;
proxy_pass http://server_a;
}
}

#.net locations on second server
location ~* /(app1|app2|app3|app4) {
proxy_cache_valid 0s; #no caching in these folders
proxy_pass http://server_b;

#location for static content in these folders. This is not working.
location ~* \.(css|js|png|jpe?g|gif)$ {
proxy_cache_valid 200 301 302 304 30d;
expires 30d;
proxy_pass http://server_b;
}
}
}

Three of the four conditions are working properly.
A request for www.site.edu/index.php gets sent to 10.64.1.10:80/index.php
A request for www.site.edu/image1.gif gets sent to 10.64.1.10:80/default.gif
A request for www.site.edu/app1/default.aspx gets sent to 10.64.1.20:80/app1/default.aspx

But the last condition is not working properly.
A request for www.site.edu/app1/image2.gif should be sent to 10.64.1.20:80/app1/image2.gif.
Instead, it's being routed to 10.64.1.10:80/app1/image2.gif, which is an invalid location.

So it appears that the first server location block is catching ALL of the requests for the static files. Anyone have any idea what I'm doing wrong?

BH

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