version: "3.9"
services:
  db:
    image: postgres:15-alpine
    environment:
      POSTGRES_PASSWORD: postgres
      POSTGRES_USER: postgres
      POSTGRES_DB: postgres
    ports:
      - "5432:5432"
    volumes:
      - db_data:/var/lib/postgresql/data
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    depends_on:
      - db
    ports:
      - "8000:8000"
    volumes:
      - ./:/app
    environment:
      - PYTHONUNBUFFERED=1
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
    ports:
      - "5173:5173"
    volumes:
      - ./frontend:/app
      - /app/node_modules  # anonymes Volume → trennt node_modules von Host
    environment:
      - CHOKIDAR_USEPOLLING=true  # für Hot-Reload in Docker nötig
    stdin_open: true
    tty: true
volumes:
  db_data: