FROM python:3.11-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

RUN apt-get update && apt-get install -y --no-install-recommends \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/* \
    && pip install --no-cache-dir \
    fastapi>=0.115.0 \
    uvicorn[standard]>=0.29.0 \
    numpy>=1.26.0 \
    soundfile>=0.12.1 \
    kokoro>=0.9.4

COPY app.py .

EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]