Add necessary proxy headers with proxy_set_header, like X-Forwarded-For

@@ -74,9 +74,11 @@
                           - field: Host
                             value: $host
                           - field: X-Forwarded-For
-                            value: $remote_addr
+                            value: $proxy_add_x_forwarded_for
                           - field: X-Forwarded-Proto
                             value: $scheme
+                          - field: X-Real-IP
+                            value: $remote_addr
                   sub_filter:
                     sub_filters:
                       #This is necessary for vue_firmador_api.war, to allow local connections to websocket in 127.0.0.1 with only http