Set root-path and drop proxy_params

compose.yml

@@ -46,6 +46,7 @@ services:
       --host 0.0.0.0
       --forwarded-allow-ips="*"
       --proxy-headers
+      --root-path="${DOMAIN}"
       keycloak_collective_portal:app
 
 networks:

nginx.conf.tmpl

@@ -34,7 +34,6 @@ http {
           proxy_set_header Connection $connection_upgrade;
           proxy_redirect off;
           proxy_buffering off;
-          include proxy_params;
         }
     }
 }