MariaDB

$ docker run --detach --name mariadb \
  -e MARIADB_ROOT_PASSWORD=my-secret-pw \
  -p 3306:3306 \
  -v mariadb_data:/var/lib/mysql \
  mariadb:12.0

phpMyAdmin

$ docker run --detach --name phpmyadmin --link mysql_db_server:db -p 8080:80 phpmyadmin:5.2-fpm-alpine