deploy: add /releases to build.golang.org

This mounts relui to the appropriate locaiton.

For golang/go#47401

Change-Id: I247ac925b47206acc2a6b4a109da003645af3a68
Reviewed-on: https://go-review.googlesource.com/c/build/+/363696
Trust: Alexander Rakoczy <[email protected]>
Run-TryBot: Alexander Rakoczy <[email protected]>
Reviewed-by: Heschi Kreinick <[email protected]>
TryBot-Result: Go Bot <[email protected]>

Author: toothrot

cmd/relui/deployment-prod.yaml

@@ -81,6 +81,7 @@ metadata:
   namespace: prod
   name: relui-internal
   annotations:
+    beta.cloud.google.com/backend-config: '{"default": "build-ingress-iap-backend"}'
     cloud.google.com/neg: '{"ingress": false}'
     cloud.google.com/app-protocols: '{"https":"HTTP2"}'
 spec:

deploy/build-ingress.yaml

@@ -37,6 +37,13 @@ spec:
             name: coordinator-internal
             port:
               number: 444
+      - pathType: ImplementationSpecific
+        path: /releases
+        backend:
+          service:
+            name: relui-internal
+            port:
+              number: 444
   - host: dev.golang.org
     http:
       paths: