FROM python:3.10-slim

ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update && apt-get install -y \
    poppler-utils \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

RUN useradd --create-home --shell /bin/bash appuser

WORKDIR /app

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

COPY app.py .

RUN chown -R appuser:appuser /app

USER appuser

EXPOSE 7860

CMD ["python", "app.py"]