https://github.com/bitnami/bitnami-docker-moodle https://maximorlov.com/docker-compose-syntax-volume-or-bind-mount/ php admin/cli/uninstall_plugin.php --plugins=local_message --run php admin/cli/upgrade.php
https://stackoverflow.com/questions/166160/how-can-i-scale-the-content-of-an-iframe
docker volume rm