Update app.py

app.py

@@ -1,3 +1,13 @@
+import subprocess
+
+def install_graphviz():
+    subprocess.check_call("apt-get install graphviz -y", shell=True)
+    subprocess.check_call("pip install graphviz", shell=True)
+    subprocess.check_call("pip install pygraphviz", shell=True)
+
+if __name__ == '__main__':
+    install_graphviz()
+    
 from diagrams import Diagram
 from diagrams.k8s.clusterconfig import HPA
 from diagrams.k8s.compute import Deployment, Pod, ReplicaSet