MySQLのコンテナ生成(永続化/MySQL8対応)
https://qiita.com/TAMIYAN/items/ed9ec892d91e5af962c6 https://qiita.com/juhn/items/274e44ee80354a39d872
docker-compose build
docker-compose up -d
docker exec -it mysql1_mysql_1 bash -p
mysql -u root -p -h 127.0.0.1
php prog1.php