docker-compose.yml

version: '3.7'

services: 
  db:
    image: mysql:5.7
    command: --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
    environment:
      MYSQL_ROOT_PASSWORD: ${DATABASE_PASSWORD}
      MYSQL_DATABASE: ${DATABASE_NAME}
      MYSQL_PASSWORD: ${DATABASE_PASSWORD}
      
    ports:
      - 4306:3306
    volumes:
      - mysql-db:/var/lib/mysql
  backend:
    tty: true
    depends_on:
      - db
    build:
      context: ./backend/
      dockerfile: Dockerfile
    ports:
      - 3000:3000
    volumes:
      - ./backend:/app
    command: rails server -b 0.0.0.0
    environment:
      adapter: mysql2
      pool: 5
      host: ${DATABASE_HOST} 
      username: ${DATABASE_USER}
      password: ${DATABASE_PASSWORD}

  frontend: 
    build:
      context: ./frontend/
      dockerfile: Dockerfile
    volumes:
      - ./frontend/app:/usr/src/app
    command: 'yarn dev'
    ports:
      - "8000:3000"
volumes:
  mysql-db:
    driver: local