services:
  # Main application database
  db:
    image: postgres:16-alpine
    container_name: sp-db
    environment:
      POSTGRES_USER: sport_prog
      POSTGRES_PASSWORD: secret
      POSTGRES_DB: sport_programming
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - "5432:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U sport_prog -d sport_programming"]
      interval: 5s
      timeout: 5s
      retries: 5


  # Piston - code execution engine (replaces Judge0)
  piston:
    image: ghcr.io/engineer-man/piston
    container_name: sp-piston
    ports:
      - "2000:2000"
    privileged: true
    restart: unless-stopped
    tmpfs:
      - /piston/jobs:exec,mode=777

  # FastAPI backend
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: sp-backend
    environment:
      - DATABASE_URL=postgresql+asyncpg://sport_prog:secret@db:5432/sport_programming
      - PISTON_URL=http://piston:2000
      - SECRET_KEY=your-super-secret-key-change-in-production
      - CORS_ORIGINS=http://localhost:3000
    volumes:
      - ./backend:/app
    ports:
      - "8000:8000"
    depends_on:
      db:
        condition: service_healthy
      piston:
        condition: service_started
    restart: unless-stopped

  # Next.js frontend
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
    container_name: sp-frontend
    environment:
      - NEXT_PUBLIC_API_URL=http://localhost:8000
      - NEXT_PUBLIC_WS_URL=ws://localhost:8000
    volumes:
      - ./frontend:/app
      - /app/node_modules
      - /app/.next
    ports:
      - "3000:3000"
    depends_on:
      - backend
    restart: unless-stopped

volumes:
  postgres_data: