Changed server name from app to invoiceninja

templates/InvoiceNinja/0/Resources/nginx.conf

@@ -6,7 +6,7 @@ events {
 
 http {
     upstream backend {
-        server app:9000;
+        server invoiceninja:9000;
     }
     include /etc/nginx/mime.types;
     default_type application/octet-stream;