disable file uploads in PHP

Dockerfile

@@ -21,6 +21,8 @@ RUN composer install
 # | Install Webserver
 # |--------------------------------------------------------------------------
 FROM gitlab.jonasled.de/jonasled/nginx-php-minimal:8-latest
+ENV PHP_FILE_UPLOADS=Off
+
 RUN apk update && \
     apk add php8-mysqli php8-mbstring php8-curl php8-simplexml --no-cache && \
     rm /etc/nginx/http.d/default.conf