Fix: Add libGL.so.1 and OpenCV system dependencies

Dockerfile

@@ -12,6 +12,9 @@ RUN apt-get update && apt-get install -y \
     libxext6 \
     libxrender-dev \
     libgomp1 \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    ffmpeg \
     && rm -rf /var/lib/apt/lists/*
 
 # Set Streamlit configuration