server {
    listen 80;
    server_name _;

    root /usr/share/nginx/html;
    index install.sh;

    # Serve the installer at the root path
    location = / {
        try_files /install.sh =404;
        default_type text/plain;
    }

    # Ensure install.sh is served as text
    location = /install.sh {
        default_type text/plain;
    }
}