FROM python:3.11-slim

WORKDIR /app

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

# Install Python deps
COPY backend/requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy code
COPY backend/ ./backend/
COPY frontend/ ./frontend/

EXPOSE 8000

CMD ["python", "backend/main.py"]