FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    FUNASR_MODEL=sensevoice \
    FUNASR_DEVICE=cpu \
    FUNASR_PORT=8000

WORKDIR /app

RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        ffmpeg \
        git \
        libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

RUN python -m pip install --upgrade pip \
    && pip install \
        funasr \
        fastapi \
        "uvicorn[standard]" \
        python-multipart

COPY server.py /app/server.py

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --start-period=60s --retries=3 \
    CMD python -c "import os, urllib.request; urllib.request.urlopen('http://127.0.0.1:%s/health' % os.getenv('FUNASR_PORT', '8000'), timeout=3).read()" || exit 1

CMD ["sh", "-c", "python server.py --host 0.0.0.0 --port ${FUNASR_PORT:-8000} --device ${FUNASR_DEVICE:-cpu} --model ${FUNASR_MODEL:-sensevoice}"]