Nah, the approach is sound. We did this for a Flask app that used celery, redis, etc and we were happy with it. For the software, use a .deb, for the configurat

Nah, the approach is sound. We did this for a Flask app that used celery, redis, etc and we were happy with it. For the software, use a .deb, for the configuration, use a configuration management tool like Ansible.