docker-compose.yml

version: '3'
services:
    # no need to have a local installation of redis or mysql,
    # they will run entirely in containers
    redis:
        image: smebberson/alpine-redis:latest
        container_name: "redis"
        hostname: "redis"
        ports:
            - "6379:6379"
    mysql:
        image: mysql:5.5
        container_name: "mysql"
        hostname: "mysql"
        environment:
          # these are expected by the container image
          - MYSQL_ROOT_PASSWORD=p4ssw0rd
          - MYSQL_DATABASE=test_db
        volumes:
          - ./seed_data/test_db.sql:/docker-entrypoint-initdb.d/test_db.sql
          - ./data:/var/lib/mysql
        ports:
          #format is "localport:containerport"
          # feel free to change the localport to anything you wish,
          # just remember what you set it to when you connect
          - "3306:3306"
    php:
      image: sample/php-app
      container_name: "php-app"
      hostname: "php-app"
      depends_on:
        # this ensures that mysql and redis start before this container
        - mysql
        - redis
      environment:
        # these environment variables will be available inside your container
        - DB_USERNAME="root"
        - DB_PASSWORD="p4ssw0rd"
        - DB_HOST="mysql"
        - DB_NAME="test_db"
        - DB_PORT="3306"  # this should always be 3306, the container port, as it will connect on a local network
      ports:
        - "80:80"