👷(helm) improve local stack

Use the common create_cluster.sh in order to improve cooperation
between teams.

Also, mount extra volume, to avoid setting ssl_verify to false,
while using request module in Python.

docs/examples/meet.values.yaml

@@ -27,7 +27,6 @@ backend:
     OIDC_RP_SCOPES: "openid email"
     OIDC_REDIRECT_ALLOWED_HOSTS: https://meet.127.0.0.1.nip.io
     OIDC_AUTH_REQUEST_EXTRA_PARAMS: "{'acr_values': 'eidas1'}"
-    OIDC_VERIFY_SSL: False
     LOGIN_REDIRECT_URL: https://meet.127.0.0.1.nip.io
     LOGIN_REDIRECT_URL_FAILURE: https://meet.127.0.0.1.nip.io
     LOGOUT_REDIRECT_URL: https://meet.127.0.0.1.nip.io
@@ -72,6 +71,21 @@ backend:
         python manage.py createsuperuser --email admin@example.com --password admin
     restartPolicy: Never
 
+  # Exra volume to manage our local custom CA and avoid to set ssl_verify: false
+  extraVolumeMounts:
+    - name: certs
+      mountPath: /usr/local/lib/python3.12/site-packages/certifi/cacert.pem
+      subPath: cacert.pem
+
+  # Exra volume to manage our local custom CA and avoid to set ssl_verify: false
+  extraVolumes:
+    - name: certs
+      configMap:
+        name: certifi
+        items:
+        - key: cacert.pem
+          path: cacert.pem
+
 frontend:
   envVars:
     VITE_PORT: 8080