Dockerfile

FROM python:3.9-slim

# System deps
RUN apt-get update && apt-get install -y ffmpeg git && rm -rf /var/lib/apt/lists/*

WORKDIR /app/chatbot
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy source
COPY . .

EXPOSE 7860
CMD ["python", "app.py"]