more work

templates/backend-crd.yaml

+# Tell the Ingress to use this health-check for our Shibboleth-based
+# applications.
+apiVersion: cloud.google.com/v1
+kind: BackendConfig
+metadata:
+  name: http-hc-config-shib
+spec:
+  healthCheck:
+    checkIntervalSec: 15
+    port: 80
+    type: HTTP
+    requestPath: /Shibboleth.sso/Metadata