fix(#1360679): Get on router http proto headers set on the proxy

Author: botisSmile

docker/router/templates/default.conf.template

@@ -17,13 +17,13 @@ upstream fastcgi_backend {
 #    # Routage pour l'application API PHP basé sur le chemin ou le domaine
 #    location / {
 #        # Overwrite X-Forwarded-For with actual client IP
-#        add_header X-Forwarded-For $remote_addr;
+#        add_header X-Forwarded-For $http_x_forwarded_for;
 #
 #        # to let webapp know it's https traffic.
-#        add_header X-Forwarded-Proto $scheme;
+#        add_header X-Forwarded-Proto $http_x_forwarded_proto;
 #
 #        # to let webapp know the client port.
-#        add_header X-Forwarded-Port $server_port;
+#        add_header X-Forwarded-Port $http_x_forwarded_port;
 #
 #        try_files $uri /index.php$is_args$args;
 #    }
@@ -93,13 +93,13 @@ server {
         rewrite ^/{{API_ROUTE_PREFIX}}/(.*)$ /$1 break;
 
         # Overwrite X-Forwarded-For with actual client IP
-        add_header X-Forwarded-For $remote_addr;
+        add_header X-Forwarded-For $http_x_forwarded_for;
 
         # to let webapp know it's https traffic.
-        add_header X-Forwarded-Proto $scheme;
+        add_header X-Forwarded-Proto $http_x_forwarded_proto;
 
         # to let webapp know the client port.
-        add_header X-Forwarded-Port $server_port;
+        add_header X-Forwarded-Port $http_x_forwarded_port;
 
         try_files $uri /index.php$is_args$args;
     }
@@ -146,13 +146,13 @@ server {
     proxy_set_header Connection "upgrade";
 
     # Overwrite X-Forwarded-For with actual client IP
-    add_header X-Forwarded-For $remote_addr;
+    add_header X-Forwarded-For $http_x_forwarded_for;
 
     # to let webapp know it's https traffic.
-    add_header X-Forwarded-Proto $scheme;
+    add_header X-Forwarded-Proto $http_x_forwarded_proto;
 
     # to let webapp know the client port.
-    add_header X-Forwarded-Port $server_port;
+    add_header X-Forwarded-Port $http_x_forwarded_port;
 
     access_log /dev/stdout main;
     error_log /dev/stderr notice;