docker-compose.yml

# Quick MariaDB container listening on localhost:3306

db:
  image: mariadb:10.1
  ports:
    - localhost:3306:3306
  volumes:
    /opt/containers/mariadb/data/db:/var/lib/mysql
    /opt/containers/mariadb/conf/mariadb/my.cnf:/etc/my.cnf:ro
  restart: always

set-up-docker-and-mdb.sh

#!/bin/bash
apt-get install docker-compose docker.io

mkdir -p /opt/containers/mariadb/data/db
mkdir -p /opt/containers/mariadb/conf/mariadb
service mysql stop

rsync -avv /var/lib/mysql/ /opt/containers/mariadb/data/db/

cd /opt/containers/mariadb/
cp /tmp/docker-compose.yml .
cp /etc/my.cnf conf/mariadb/

docker-compose up -d