FROM python:3.11-slim

WORKDIR /app

# System deps: portaudio for PyAudio, ffmpeg for audio conversion
RUN apt-get update && apt-get install -y --no-install-recommends \
    portaudio19-dev python3-dev ffmpeg build-essential \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

ENV STT_MODEL=tiny
ENV STT_DEVICE=cpu
ENV STT_LANGUAGE=en
ENV PORT=7860

EXPOSE 7860

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