Update Dockerfile

Dockerfile

@@ -1,12 +1,16 @@
 FROM python:3.9
 
+# Install OpenGL dependencies
+RUN apt-get update && \
+    apt-get install -y libgl1-mesa-glx libgl1-mesa-dev
+
 # Set the working directory in the container
 WORKDIR /app
 
 # Copy the app.py script to the working directory
 COPY app.py .
 
-# Install the required dependencies
+# Install the required Python dependencies
 RUN pip install pyglet arcade pygame
 
 # Run the app.py script when the container starts