Dockerfile

FROM python:3.11-slim

WORKDIR /app

# System deps (ffmpeg not strictly required by edge-tts but useful for audio handling)
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

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

COPY . .

# Hugging Face Spaces (Docker SDK) expects the app to listen on port 7860
ENV PORT=7860
EXPOSE 7860

CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--workers", "2", "--timeout", "120", "app:app"]