version: '2'
services:
  db:
    image: postgres:alpine
    container_name: CursoPostgreSQL
    ports:
      - "5432:5432"
    environment:
      POSTGRES_PASSWORD: password
      POSTGRES_USER: appuser
      POSTGRES_DB: myApp
    volumes:
      - ./data:/var/lib/postgresql
  app:
    build: .
    container_name: CursoRails
    command: bundle exec rails s -p 3000 -b '0.0.0.0'
    volumes:
      - ".:/myApp"
    ports:
      - "3000:3000"
    depends_on:
      - db
    links:
      - db
    environment:
      DB_USER: root
      DB_NAME: myApp
      DB_PASSWORD: password
      DB_HOST: db