version: '2'
services:
  db:
    image: postgres
    environment:
        POSTGRES_PASSWORD: pg_password
        POSTGRES_USER: pg_user
    ports:
      - "5432:5432"
  rails:
    build: .
    command: /bin/bash -l -c "bundle exec rails s -p 3000 -b '0.0.0.0'"
    volumes:
      - .:/myapp
      - ~/.ssh:/root/.ssh
    ports:
      - "3000:3000"
    environment:
      - DB_USERNAME=username
      - DB_PASSWORD=password
    depends_on:
      - db