Fig - Persistent Database Configuration

fig.yml

db:
    image: mysql:latest
    volumes_from:
        - data
    environment:
        MYSQL_ROOT_PASSWORD: root
        MYSQL_USER: db_user
        MYSQL_PASSWORD: db_password
        MYSQL_DATABASE: db_name

data: 
    image: busybox:latest
    volumes: 
        - path/to/store/data/on/host:/var/lib/mysql
    command: true