FROM python:3.11-slim

# Install system dependencies: Tesseract OCR, LibreOffice, FFmpeg, Poppler
RUN apt-get update && apt-get install -y --no-install-recommends \
    tesseract-ocr \
    tesseract-ocr-eng \
    libreoffice \
    ffmpeg \
    libsm6 \
    libxext6 \
    poppler-utils \
    && rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 user
ENV HOME=/home/user \
    PATH="/home/user/.local/bin:$PATH" \
    HF_HOME=/tmp/huggingface \
    TMPDIR=/tmp

WORKDIR /app
RUN chown -R user:user /app
USER user

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

COPY --chown=user . .

EXPOSE 7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]