Install MySQL in a Docker Container # systemctl can not work in docker

(not use [systemctl start mariadb.service]), used in docker

 # systemctl can not work in docker

# refer to: https://wiki.open-o.org/display/IN/Install+MySQL+in+a+Docker+Container
# Install MySQL in a Docker Container

dnf -y install hostname && dnf clean all

# install mysql
dnf -y install mysql-server && dnf clean all

# create mysql database files
mysql_install_db --user=mysql --datadir=/var/lib/mysql

# Start mysql as a background process using the “mysql” user account
/usr/bin/mysqld_safe --datadir='/var/lib/mysql' &

# Optional: set mysql root password
mysqladmin -uroot -p password '123456'