fix: add system dependencies for OpenCV in Dockerfile

Dockerfile

@@ -10,6 +10,9 @@ COPY requirements.txt ./
 # Install the dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Install system dependencies required by OpenCV
+RUN apt-get update && apt-get install -y libxcb1 && rm -rf /var/lib/apt/lists/*
+
 # Copy the application code into the container
 COPY . .