version: '2'
services:
    master:
        image: mariadb:10.2
        environment:
            MYSQL_ALLOW_EMPTY_PASSWORD: Y
        volumes:
            - ./sql/master:/docker-entrypoint-initdb.d
        command: mysqld --log-bin=mariadb-bin --binlog-format=ROW --server-id=3000

    slave1:
        image: mariadb:10.2
        environment:
            MYSQL_ALLOW_EMPTY_PASSWORD: Y
        volumes:
            - ./sql/slave:/docker-entrypoint-initdb.d
        command: mysqld --log-bin=mariadb-bin --binlog-format=ROW --server-id=3001

    slave2:
        image: mariadb:10.2
        environment:
            MYSQL_ALLOW_EMPTY_PASSWORD: Y
        volumes:
            - ./sql/slave:/docker-entrypoint-initdb.d
        command: mysqld --log-bin=mariadb-bin --binlog-format=ROW --server-id=3002

    maxscale:
        build: .
        container_name: maxscale
        volumes:
            - ./maxscale.cnf.d:/etc/maxscale.cnf.d
        ports:
            - "4006:4006"
            - "4008:4008"