Install a metrics server#2 update requirements.txt.

Author: ericgitangu

app/frontend/requirements.txt

@@ -1,7 +1,7 @@
 wheel>=0.40.0
 setuptools>=65.5.1
 Flask==2.2.3; python_version >= "3.7"
-Werkzeug==2.0.3; python_version >= "3.7"
+Werkzeug==2.2.3; python_version >= "3.7"
 flask-cors==4.0.0; python_version >= "3.7"
 pika==1.3.0; python_version >= "3.7"
 prometheus-client==0.16.0; python_version >= "3.7"