# Dockerfile for HandyHome OCR API
FROM python:3.9-slim

# Install system dependencies for PaddleOCR and OpenCV
RUN apt-get update && apt-get install -y \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgomp1 \
    libgthread-2.0-0 \
    libgl1 \
    libglib2.0-0 \
    curl \
    wget \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Download PaddleOCR models during build to speed up first run
RUN python -c "from paddleocr import PaddleOCR; ocr = PaddleOCR(lang='en')"

# Copy application code
COPY . .

# Create non-root user for security
RUN useradd --create-home --shell /bin/bash app && chown -R app:app /app
USER app

EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

# Use Gunicorn for production
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--workers", "2", "--timeout", "300", "--max-requests", "1000", "--max-requests-jitter", "100", "app:app"]