docker-compose.yml

version: '3'
services:
    tododb:
        container_name: tododb
        image: 'mariadb'
        restart: 'on-failure'
        command: --init-file /init.sql
        volumes:
            - /home/yongjia/JavaProjects/demo/init.sql:/init.sql
        environment:              
            MYSQL_ROOT_PASSWORD: 'password'
            MYSQL_DATABASE: 'tododb'
            MYSQL_USER: 'appuser'
            MYSQL_PASSWORD: 'password'
            MYSQL_ROOT_HOST: '%'
        networks: ['backend']
        ports:
            - '3307:3306'
    tododb2:
        image: 'mariadb'
        restart: 'always'
        command: --init-file /init.sql
        volumes:
            - /home/yongjia/JavaProjects/demo/init.sql:/init.sql
        environment:
            MYSQL_ROOT_PASSWORD: 'password'
            MYSQL_DATABASE: 'tododb'
            MYSQL_USER: 'appuser'
            MYSQL_PASSWORD: 'password'
            MYSQL_ROOT_HOST: '%'
        networks: ['backend']
        ports:
            - '3308:3306'
    vertxtodo:
        depends_on:
            - 'tododb'
        build: ./vert.x/.
        networks: ['backend']
        links:
            - 'tododb'
        ports:
            - '8081:8080'
    springrxtodo:
        depends_on:
            - 'tododb2'
        build: ./spring.rx/.
        networks: ['backend']
        ports:
            - '8082:8082'
networks:
    backend:
        driver: 'bridge'
#networks:
#    backend_todo:
#        external:
#            name: 'todo-app'