[Bug]: nginx $realpath_root empty

[gvanto]

Expected behavior

Note: This isn't really a bug, more of a question ✌️

The following line to work: https://github.com/pimcore/demo/blob/2024.x/.docker/nginx.conf#L138C40-L138C53

Actual behavior

nginx not finding index.php - $realpath_root is empty

Using nginx/1.21.6

Steps to reproduce

Run the project and try to access