diff --git a/nginx/sites-available/windmill.grupopralog.com.br.conf b/nginx/sites-available/windmill.grupopralog.com.br.conf
index 9102990..26064be 100644
--- a/nginx/sites-available/windmill.grupopralog.com.br.conf
+++ b/nginx/sites-available/windmill.grupopralog.com.br.conf
@@ -6,6 +6,13 @@
 # Windmill (windmill.grupopralog.com.br) - HTTP (Porta 80)
 # Redireciona para HTTPS e serve o desafio ACME (Let's Encrypt).
 # ----------------------------------------------------------------------
+# ----------------------------------------------------------------------
+# Backend (Upstream) para o Windmill
+# ----------------------------------------------------------------------
+upstream windmill_backend {
+    # IP da VM Debian + Porta do Docker
+    server 172.16.253.103:8000; 
+}
 server {
     listen 80;
     listen [::]:80;