Dockerfile

# Containerizes the chat UI (app/streamlit_app.py).
FROM python:3.12-slim

RUN apt-get update && apt-get install -y --no-install-recommends \
    libreoffice-writer curl \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

COPY . .
RUN mkdir -p chat_history

ENV HF_HOME=/app/.cache/huggingface
ENV STREAMLIT_SERVER_HEADLESS=true
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0

EXPOSE 8501

HEALTHCHECK --interval=30s --timeout=5s --start-period=45s --retries=3 \
    CMD curl -f http://127.0.0.1:${PORT:-8501}/_stcore/health || exit 1

CMD ["sh", "-c", "streamlit run app/streamlit_app.py --server.port=${PORT:-8501} --server.address=0.0.0.0 --server.headless=true"]