source .env CONTAINER_APP=app docker compose exec $CONTAINER_APP ./occ maintenance:mode --on docker compose exec $MYSQL_HOST sh -c "mariadb-dump --single-transaction -h $MYSQL_HOST -u $MYSQL_USER --password=$MYSQL_PASSWORD $MYSQL_DATABASE > backup/nextcloud-sqlbkp_`date +'%Y%m%d'`.bak" \ && echo "SQL dump saved" docker compose exec $CONTAINER_APP ./occ maintenance:mode --off