- Add highly optimized Dockerfile with Nginx and PHP-FPM 8.4 - Add docker-compose.yml configured with Redis and MariaDB 10.11 - Implement entrypoint.sh and supervisord.conf for background workers - Refactor legacy IMAP scripts into scheduled Artisan Commands - Secure app by removing old routes with hardcoded basic auth credentials - Configure email attachments to use Laravel Storage instead of insecure public/tmp