Scale unique answer tracking

api/QuestionsApi/k8s/deployment.yaml

@@ -6,6 +6,11 @@ metadata:
     app: step3-questions
 spec:
   replicas: 2
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 0
+      maxSurge: 1
   selector:
     matchLabels:
       app: step3-questions
@@ -13,6 +18,10 @@ spec:
     metadata:
       labels:
         app: step3-questions
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/path: "/metrics"
+        prometheus.io/port: "5008"
     spec:
       containers:
         - name: step3-questions
@@ -20,9 +29,26 @@ spec:
           imagePullPolicy: IfNotPresent
           ports:
             - containerPort: 5008
+          resources:
+            requests:
+              cpu: 250m
+              memory: 256Mi
+            limits:
+              cpu: "1"
+              memory: 512Mi
           readinessProbe:
             httpGet:
-              path: /healthz
+              path: /readyz
               port: 5008
             initialDelaySeconds: 5
             periodSeconds: 10
+            timeoutSeconds: 3
+            failureThreshold: 3
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: 5008
+            initialDelaySeconds: 15
+            periodSeconds: 20
+            timeoutSeconds: 3
+            failureThreshold: 3

api/QuestionsApi/k8s/hpa.yaml

@@ -0,0 +1,35 @@
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: step3-questions
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: step3-questions
+  minReplicas: 2
+  maxReplicas: 10
+  behavior:
+    scaleUp:
+      stabilizationWindowSeconds: 0
+      policies:
+        - type: Percent
+          value: 100
+          periodSeconds: 60
+        - type: Pods
+          value: 2
+          periodSeconds: 60
+      selectPolicy: Max
+    scaleDown:
+      stabilizationWindowSeconds: 300
+      policies:
+        - type: Percent
+          value: 25
+          periodSeconds: 60
+  metrics:
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: 60

api/QuestionsApi/k8s/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - deployment.yaml
+  - service.yaml
+  - hpa.yaml
+  - pdb.yaml

api/QuestionsApi/k8s/pdb.yaml

@@ -0,0 +1,9 @@
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: step3-questions
+spec:
+  minAvailable: 1
+  selector:
+    matchLabels:
+      app: step3-questions