services:
  # ── PostgreSQL ───────────────────────────────────────────────────────────────
  postgres:
    image: postgres:16-alpine
    restart: unless-stopped
    environment:
      POSTGRES_USER: ${DB_USER:-taskflow}
      POSTGRES_PASSWORD: ${DB_PASSWORD:-taskflow_secret}
      POSTGRES_DB: ${DB_NAME:-taskflow}
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - "5432:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-taskflow} -d ${DB_NAME:-taskflow}"]
      interval: 5s
      timeout: 5s
      retries: 10

  # ── Go API ───────────────────────────────────────────────────────────────────
  api:
    build:
      context: ./backend
      dockerfile: Dockerfile
    restart: unless-stopped
    depends_on:
      postgres:
        condition: service_healthy
    environment:
      DB_HOST: postgres
      DB_PORT: ${DB_PORT:-5432}
      DB_USER: ${DB_USER:-taskflow}
      DB_PASSWORD: ${DB_PASSWORD:-taskflow_secret}
      DB_NAME: ${DB_NAME:-taskflow}
      DB_SSLMODE: ${DB_SSLMODE:-disable}
      JWT_SECRET: ${JWT_SECRET:-change_me_to_a_long_random_secret}
      PORT: ${PORT:-8080}
    ports:
      - "8080:8080"
    healthcheck:
      test: ["CMD-SHELL", "wget -qO- http://localhost:8080/health || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 5

  # ── Seed (runs once after API is healthy) ────────────────────────────────────
  seed:
    image: postgres:16-alpine
    depends_on:
      api:
        condition: service_healthy
    environment:
      PGPASSWORD: ${DB_PASSWORD:-taskflow_secret}
    volumes:
      - ./backend/seed/seed.sql:/seed.sql:ro
    command: >
      psql -h postgres -U ${DB_USER:-taskflow} -d ${DB_NAME:-taskflow} -f /seed.sql
    restart: "no"

  # ── React Frontend ────────────────────────────────────────────────────────────
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
    restart: unless-stopped
    depends_on:
      api:
        condition: service_healthy
    ports:
      - "3000:80"

volumes:
  postgres_data: