Add OpenCV dependencies to fix libGL.so.1 error

Dockerfile

@@ -1,6 +1,13 @@
 FROM python:3.9-slim
+
+# Install system dependencies for OpenCV
+RUN apt-get update && apt-get install -y \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /app
 COPY requirements.txt .
 RUN pip install -r requirements.txt
 COPY . .
-CMD ["python", "app.py"]
+CMD ["python", "model2.py"]