The original tool was made by NFG (you can get the original source code from here). I remade the frontend based with my own vision, tweaked the PHP-script a little and containerized the app.
Available in GHCR and Docker Hub for multiple platforms.
services:
arcade-font-engine:
image: flameshikari/arcade-font-engine
container_name: arcade-font-engine
ports:
- 8080:8080
volume:
- ./cache:/var/www/html/cache # persist cache