FROM python:3.11-slim

# HF Spaces runs as user 1000
RUN useradd -m -u 1000 appuser
WORKDIR /app

# Install deps first (layer cache)
COPY --chown=appuser:appuser requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app
COPY --chown=appuser:appuser main.py .
COPY --chown=appuser:appuser static/ static/

USER appuser

# Pre-warm the model cache at build time so startup is instant
# (HF hub caches to ~/.cache/huggingface/hub)
RUN python -c "\
from huggingface_hub import snapshot_download; \
snapshot_download('Kaikaku/epicure-core'); \
print('Model cached.')"

EXPOSE 7860

CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]