Helm chart for person-detection-app

Change-Id: I7069b65d6bcd3f2a722a294ff299ea8507b07261
diff --git a/apps/person-detection-app/templates/hpa.yaml b/apps/person-detection-app/templates/hpa.yaml
new file mode 100644
index 0000000..3ee2f7e
--- /dev/null
+++ b/apps/person-detection-app/templates/hpa.yaml
@@ -0,0 +1,31 @@
+# Copyright 2020-present Open Networking Foundation
+# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+
+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "person-detection-app.fullname" . }}
+  labels:
+    {{- include "person-detection-app.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "person-detection-app.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        targetAverageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+{{- end }}