version: '2'
services:
  app:
    build:
      context: .
    volumes:
      - .:/var/www/app
    environment:
      DB_HOST: db
      DB_DATABASE: "
      DB_USERNAME: root
      DB_PASSWORD: root
    expose:
      - "9000"
  db:
    image: mysql
    ports:
      - "3306:3306"
    environment:
     MYSQL_ROOT_PASSWORD: root
     MYSQL_DATABASE: ""
     MYSQL_USER: root
     MYSQL_PASSWORD: root