FROM python:3.11-alpine

WORKDIR /app

# Audio stack: libmpv for python-mpv, ffmpeg for MP3 waveform, libsndfile for soundfile
RUN apk add --no-cache \
    mpv-libs \
    ffmpeg \
    ffmpeg-libs \
    libsndfile

COPY pyproject.toml .
RUN pip install --no-cache-dir .

COPY lightsync/ lightsync/

EXPOSE 8000

CMD ["python", "-m", "lightsync"]