FROM python:3.10-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    tesseract-ocr \
    tesseract-ocr-eng \
    tesseract-ocr-chi-sim \
    tesseract-ocr-chi-tra \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install Python packages
COPY install_ocr_models.py .
RUN python install_ocr_models.py

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY app.py ocr_support.py ./

# Expose port
EXPOSE 7860

# Run FastAPI with uvicorn
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]