# Hugging Face Docker Space — Hostel Management System
# Docs: https://huggingface.co/docs/hub/spaces-sdks-docker

FROM python:3.11-slim

RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc g++ libgomp1 curl \
    && rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 user
WORKDIR /app

COPY --chown=user:user requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

COPY --chown=user:user . .

# Compile C PDC benchmark backend (OpenMP + pthreads)
RUN cd c_backend && \
    gcc -O2 -fopenmp -pthread search_bench.c hostel_mock_data.c -o search_bench -lm && \
    chown user:user search_bench

USER user
ENV HOME=/home/user \
    PATH="/home/user/.local/bin:$PATH"

EXPOSE 7860

HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health || exit 1

CMD ["streamlit", "run", "app.py", \
     "--server.port=7860", \
     "--server.address=0.0.0.0", \
     "--server.headless=true", \
     "--server.enableCORS=false", \
     "--server.enableXsrfProtection=false", \
     "--server.fileWatcherType=none"]