$ docker run -itd --name mysql-test -p 3306:3306 -e MYSQL_ROOT_PASSWORD=123456 mysql
docker run -itd --name mysql-test -p 3306:3306 -e MYSQL_ROOT_PASSWORD=123456 mysql
# login into mysql
docker logs mysql1 2>&1 | grep GENERATED # check the automatically generated password of root user, copy it
docker exec -it mysql1 mysql -u root -p # parse and press the Enter key
docker run --name some-mysql -v /my/custom:/etc/mysql/conf.d -e MYSQL_ROOT_PASSWORD=my-secret-pw -d mysql:tag