FROM python:3.10-slim

# System deps
RUN apt-get update && apt-get install -y \
    portaudio19-dev libportaudio2 libportaudiocpp0 \
    ffmpeg libsndfile1 && \
    rm -rf /var/lib/apt/lists/*

# Python deps
COPY requirements.txt /app/
WORKDIR /app
RUN pip install --no-cache-dir -r requirements.txt

# App code
COPY . /app

# Default command
CMD ["python", "app.py"]