FROM python:3.11-slim

# Install system deps for OpenCV + ffmpeg
RUN apt-get update && apt-get install -y \
    ffmpeg \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Install Python deps
RUN pip install --no-cache-dir \
    opencv-python-headless \
    numpy \
    requests

WORKDIR /app

COPY desk_presence.py /app/desk_presence.py

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