FROM python:3.11-slim

WORKDIR /app

RUN apt-get update && rm -rf /var/lib/apt/lists/*

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

COPY backend/ backend/
COPY scripts/ scripts/
COPY exam-app/src/data/ exam-app/src/data/

ENV PYTHONPATH=/app/backend:/app/scripts

# Auto-run on first boot: fill zero-unit wiki topics (e.g. geometry) and sanitize duplicates.
# Both self-disable via _hf_set_space_variable after success, so they only run once.
ENV CRAWL_GAP_FILL_ENABLED=true
ENV WIKI_SANITIZE_ENABLED=true

# HF Spaces requires a non-root user
RUN useradd -m -u 1000 appuser && chown -R appuser /app
USER appuser

EXPOSE 7860

CMD uvicorn app.main:app --host 0.0.0.0 --port 7860