cd ~/path/to/project
docker run --name contao -d -p 80:80 -v contao-mysql-${PWD##*/}:/var/lib/mysql pagestyles/contao
cd ~/path/to/project
docker cp contao:/var/www/html _page
cd ~/path/to/project
docker exec -t contao mysqldump --databases contao > mysqldump
cd ~/path/to/project
docker run --name contao -d -p 80:80 -v $PWD/_page:/var/www/html -v contao-mysql-${PWD##*/}:/var/lib/mysql pagestyles/contao
cd ~/path/to/project
docker exec -t contao mysql < mysqldump