# Streamlit on a Docker HF Space (the org disallows the native streamlit SDK).
FROM python:3.11-slim

WORKDIR /app

# HF Spaces serves on port 7860.
ENV PORT=7860 \
    STREAMLIT_SERVER_PORT=7860 \
    STREAMLIT_SERVER_ADDRESS=0.0.0.0 \
    STREAMLIT_SERVER_HEADLESS=true \
    HOME=/app \
    HF_HOME=/app/.cache/huggingface \
    DATA_DIR=/app/data

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

# Brings in app.py, dashboard.py, prewarm.py — but NOT the eval data, which is
# private and never committed to this public Space repo.
COPY . .

EXPOSE 7860

# Fetch the private eval data into DATA_DIR (needs the HF_TOKEN Space secret),
# THEN launch Streamlit. The fetch is a small targeted slice that completes
# before the app serves, so visitors read it as a local path — no download on
# the request path. app.py is exec_dashboard.py; dashboard.py sits beside it.
CMD ["sh", "-c", "python prewarm.py; streamlit run app.py --server.port=7860 --server.address=0.0.0.0"]