FROM python:3.11-slim
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

# 必要なツール
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    libffi-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

COPY . .

# HF Spaces は $PORT を環境変数で渡す
ENV PORT=7860
EXPOSE 7860

CMD ["sh", "-lc", "python -m uvicorn src.main:app --host 0.0.0.0 --port ${PORT}"]