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Dockerfile

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+
+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"]