docker-compose.yml

version: '3'
services:
    test:
        build:
            context: .
        networks:
            - testnet
        depends_on:
            - mysql
            - postgres
            - redis
        volumes:
            - .:/var/www/html
        environment:
            DOCKER: 1
            DB_PASSWORD: password
            DB_USERNAME: root
            DB_DATABASE: main
            TENANCY_TEST_REDIS_HOST: redis
            TENANCY_TEST_MYSQL_HOST: mysql
            TENANCY_TEST_PGSQL_HOST: postgres
        stdin_open: true
        tty: true
    mysql:
        image: mysql:5.7
        environment:
            MYSQL_ROOT_PASSWORD: password
            MYSQL_DATABASE: main
            MYSQL_USER: user # redundant
            MYSQL_PASSWORD: password
        networks:
            - testnet
    postgres:
        image: postgres:11
        environment:
            POSTGRES_PASSWORD: password
            POSTGRES_USER: root # superuser name
            POSTGRES_DB: main
        networks:
            - testnet
    redis:
        image: redis:alpine
        networks:
            - testnet
networks:
    testnet:
        driver: bridge