--- a/nginx.conf
+++ b/nginx.conf
@@ -26,6 +26,12 @@
     upstream php-handler {
         server app:9000;
     }
+    
+    set_real_ip_from  10.0.0.0/8;
+    set_real_ip_from  172.16.0.0/12;
+    set_real_ip_from  192.168.0.0/16;
+    real_ip_header    X-Forwarded-For;
+    real_ip_recursive on;

     server {
         listen 80;