update eru config to give proxied path

Author: Bryan Kendall

ansible/roles/nginx-proxied-service/templates/11-eru-server.conf

@@ -30,8 +30,6 @@ server {
   resolver 8.8.8.8 8.8.4.4 valid=300s;
   resolver_timeout 5s;
 
-  rewrite ^/app\/.+ /app/;
-
   gzip on;
   gzip_vary on;
   gzip_proxied any;
@@ -47,6 +45,18 @@ server {
     proxy_set_header x-forwarded-proto 'https';
   }
 
+  location ~ ^/app/(.*)$ {
+    rewrite /app/(.*) /app/ break;
+    expires 300;
+    proxy_pass http://{{ target_ip_address }}:{{ proxy_target_ports.stdout_lines[0] | trim }};
+    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-protocol 'https';
+    proxy_set_header x-forwarded-proto 'https';
+    proxy_set_header x-forwarded-path '/app/$1';
+  }
+
   location /graphql {
     proxy_pass http://{{ target_ip_address }}:{{ proxy_target_ports.stdout_lines[1] | trim }};
     proxy_set_header Host $host;