FROM python:3.8-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PYTHONPATH=/app

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    libsndfile1 \
    sox \
    libsox-dev \
    curl \
    && rm -rf /var/lib/apt/lists/*

RUN pip install --upgrade pip setuptools wheel \
    && pip install --index-url https://download.pytorch.org/whl/cpu torch torchaudio

COPY voice-dected/requirements.txt /tmp/requirements.txt
RUN grep -v -E '^[[:space:]]*(torch|torchaudio)[[:space:]]*$' /tmp/requirements.txt > /tmp/requirements-no-torch.txt \
    && pip install -i https://pypi.tuna.tsinghua.edu.cn/simple -r /tmp/requirements-no-torch.txt \
    && rm -rf /root/.cache/pip

EXPOSE 8000

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]