Nginx rewrite rule not working when service redirects

Question

I have the following nginx rule

    server_name mydomain.com;

    location ^~ /geosamples/ {
       rewrite  ^/geosamples/(.*)$  /geoserver/$1  break;
       proxy_pass http://192.168.92.100:8088;
       proxy_connect_timeout 180s;
       proxy_read_timeout 240s;
    }

If I access the application at mydomain.com/geosamples/index.html it works fine.

If I access it at

mydomain.com/geosamples/

it gets redirected to

mydomain.com/geoserver/index.html

and obviously doesn't work anymore!

I am guessing the geoserver app is redirecting the client to this buggy URL...

How can I prevent this? I would appreciate any help!

Answer 1

You need to add a proxy_redirect directive to reverse your rewrite when the upstream server returns a 3xx response.

Try:

proxy_redirect http://example.com/geoserver/ http://example.com/geosamples/;

See this document for the details.

Answer 2

You just don't need to overcomplicate things.

location ^~ /geosamples/ {
   proxy_pass http://192.168.92.100:8088/geoserver/;
   proxy_connect_timeout 180s;
   proxy_read_timeout 240s;
}