I am trying to set up multiple virtual hosts on the same server with Nginx and Apache and have run into a curious configuration issue.

I have nginx is configured with a generic upstream to apache.

upstream backend {
  server 1.1.1.1:8080;
}

I'm trying to set up multiple subdomains in nginx that hit different mountpoints in apache. Each would act like the following examples.

server {
    listen 80;
    server_name foo.yoursite.com;

    location / {
            proxy_pass http://backend/bar/;
            include /etc/nginx/proxy.conf;
    }
    ...
}

server {
    listen 80;
    server_name delta.yoursite.com;

    location / {
            proxy_pass http://backend/gamma/;
            include /etc/nginx/proxy.conf;
    }
    ...
}

These mountpoints are pointed at django projects, however each of the url entries are coming back prepended with the apache mountpoint path. So, if I called the django url entry for foo.yoursite.com/wiki/biz/, django appears to be returning foo.yoursite.com/bar/wiki/biz/. Similarly, if I call for the url entry for delta.yoursite.com/wiki/biz/, I get delta.yoursite.com/gamma/wiki/biz/.

Is there any way get rid of the prefix being returned on the url entries by django and apache?