Dockerfile

# ─── Hugging Face Spaces — Docker SDK ─────────────────────────────────────────
FROM python:3.11-slim

WORKDIR /app

# System deps for fugashi (MeCab tokenizer)
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

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

# Download unidic dictionary at build time (avoids slow first-request delay)
# RUN python -m unidic download

# Copy source (model weights come from HF Hub at startup, not baked into image)
COPY app.py formality_scorer.py ./

# HF Spaces uses port 7860
EXPOSE 7860

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