services:
  postgres:
    # Development-only loopback port for host-side npm scripts. Production
    # continues to use docker-compose.yml without publishing PostgreSQL.
    environment:
      # Keep the host-side AppConfig default and the development database in
      # sync. Production still requires POSTGRES_PASSWORD in its env file.
      POSTGRES_PASSWORD: tasktopia
    ports:
      - "127.0.0.1:${POSTGRES_PORT:-5432}:5432"
  app:
    environment:
      DATABASE_URL: postgres://tasktopia:tasktopia@postgres:5432/tasktopia