FROM python:3.11-slim

WORKDIR /app

# Install system deps for ffmpeg (audio conversion)
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

# Copy and install Python deps
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app
COPY . .

EXPOSE 7860

CMD ["python", "app.py"]