--- a/nginx.conf
+++ b/nginx.conf
@@ -41,9 +41,15 @@
     resolver 127.0.0.11 valid=2s;
     upstream php-handler {
         zone backends 64k;
-        server app:9000 resolve;
+        server 127.0.0.1:9000;
     }
 
+    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;