FROM python:3.9-slim

# Install system dependencies for OpenCV and Tesseract
ENV REFRESHED_AT=2024-01-10_V1
RUN apt-get update && apt-get install -y \
    tesseract-ocr \
    libtesseract-dev \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy requirements first to leverage cache
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Create a user to run the app (Hugging Face Spaces requirement for security)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Copy the rest of the application
COPY --chown=user . .

# Expose the port (Hugging Face Spaces expects 7860)
EXPOSE 7860

# Command to run the application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]