Docker Compose Generator

services:
  app:
    image: node:20-alpine
    restart: unless-stopped
    ports:
      - "3000:3000"
    environment:
      DATABASE_URL: "postgres://user:pass@db:5432/mydb"
    volumes:
      - .:/app
    depends_on:
      - db

  db:
    image: postgres:16-alpine
    restart: unless-stopped
    ports:
      - "5432:5432"
    environment:
      POSTGRES_USER: "user"
      POSTGRES_PASSWORD: "pass"
      POSTGRES_DB: "mydb"
    volumes:
      - pgdata:/var/lib/postgresql/data

volumes:
  pgdata: