FROM python:3.11-slim

# Install Tesseract OCR
RUN apt-get update && \
    apt-get install -y tesseract-ocr tesseract-ocr-eng && \
    rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 appuser

WORKDIR /app

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

COPY --chown=appuser:appuser . .

# Create instance directory with proper permissions
RUN mkdir -p /app/instance /app/app/static/uploads && \
    chown -R appuser:appuser /app && \
    chmod 755 /app/instance

USER appuser

EXPOSE 5000

CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "2", "--timeout", "120", "wsgi:app"]