istio improvements

testapp/db/db.yaml

@@ -1,3 +1,9 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: testapp-db
+  namespace: default
+---
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -17,9 +23,17 @@ spec:
         app: testapp-db
         version: v1
     spec:
+      serviceAccountName: testapp-db
       containers:
       - name: testapp-db
         image: 127.0.0.1:5000/testapp/db:v1
+        resources:
+          limits:
+            cpu: 100m
+            memory: 128Mi
+          requests:
+            cpu: 100m
+            memory: 64Mi
         imagePullPolicy: Always
         ports:
         - containerPort: 8080