# PP-OCRv5 ONNX 轻量部署（RapidOCR + ONNX Runtime）
FROM python:3.10-slim

# 安装系统依赖
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 \
    libglib2.0-0 \
    libgomp1 \
    curl \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# 安装 Python 依赖
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# 复制代码
COPY app.py .

# 预下载 PP-OCRv5 ONNX 模型（避免首次请求慢）
RUN python -c "from huggingface_hub import hf_hub_download; hf_hub_download('monkt/paddleocr-onnx', 'detection/v5/det.onnx'); hf_hub_download('monkt/paddleocr-onnx', 'languages/english/rec.onnx'); hf_hub_download('monkt/paddleocr-onnx', 'languages/english/dict.txt'); print('PP-OCRv5 ONNX models downloaded')"

EXPOSE 7860

HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
    CMD curl -f http://localhost:7860/ || exit 1

CMD ["python", "app.py"]