Fix OpenCV dependencies in Dockerfile

Dockerfile

@@ -1,5 +1,16 @@
 FROM python:3.9
 
+# Install system dependencies for OpenCV
+RUN apt-get update && apt-get install -y \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    libsm6 \
+    libxext6 \
+    libxrender-dev \
+    libgomp1 \
+    libgstreamer1.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /code
 
 COPY requirements.txt .