Dockerfile

FROM python:3.9-slim

# Install system deps
RUN apt-get update && apt-get install -y \
    ffmpeg \
    libsm6 \
    libxext6 \
    && rm -rf /var/lib/apt/lists/*

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

# Copy app files
COPY . .

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