FROM python:3.9-slim

WORKDIR /app

# 安裝系統依賴
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

# 複製requirements文件並安裝Python依賴
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# 複製應用代碼
COPY . .

# 創建必要的目錄
RUN mkdir -p /app/uploads /app/outputs

# 設置環境變量
ENV NEF_UPLOAD_FOLDER=/app/uploads
ENV NEF_OUTPUT_FOLDER=/app/outputs
ENV NEF_API_KEY=nef-secret-key

# 暴露端口
EXPOSE 5003

# 健康檢查
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:5003/health || exit 1

# 啟動命令
CMD ["python", "main.py"]