Replace localhost by loopback address in Nginx blocks

nginx-blocks/filebrowser

@@ -6,7 +6,7 @@ server {
   ssl_certificate_key /etc/ssl/cert.key;
 
   location / {
-    proxy_pass                            http://localhost:8080;
+    proxy_pass                            http://127.0.0.1:8080;
     add_header Strict-Transport-Security  "max-age=31536000; includeSubDomains";
   }
 }