FROM python:3.10-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    tesseract-ocr \
    libgl1-mesa-glx \
    && rm -rf /var/lib/apt/lists/*

# Add a non-root user for security
RUN useradd -m -u 1000 user
USER user

WORKDIR /app

# Copy requirements and install dependencies (as user)
COPY --chown=user requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade pip && pip install --no-cache-dir -r requirements.txt

# Copy the rest of the app code
COPY --chown=user . /app

# Expose port for Hugging Face Spaces (default: 7860)
ENV PORT=7860

# Start FastAPI with uvicorn
CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]