update sample proxy config

nginx-sample-conf/leafwriter.conf

@@ -6,13 +6,14 @@ server {
 
         location / {
                 proxy_pass http://localhost:5000;
-                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-Host   $host;
-                proxy_set_header    X-Forwarded-Server $host;
-                proxy_set_header    X-Forwarded-Port   $server_port;
-                proxy_set_header    X-Forwarded-Proto  https;
+                # To specififally set proxy headers seems to introduce redirect errors and at least for the current config these headers do not seem to be necessary in the first place.
+                #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-Host   $host;
+                #proxy_set_header    X-Forwarded-Server $host;
+                #proxy_set_header    X-Forwarded-Port   $server_port;
+                #proxy_set_header    X-Forwarded-Proto  https;
         }
 
 }