chore: Add HPA support

helm/templates/hpa.yaml

@@ -0,0 +1,38 @@
+{{- if and .Values.autoscaling.enabled (or .Values.autoscaling.cpu.enabled .Values.autoscaling.memory.enabled) }}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "app.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "app.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "app.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+  {{- if .Values.autoscaling.cpu.enabled }}
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: {{ .Values.autoscaling.cpu.targetCPUUtilizationPercentage }}
+  {{- end }}
+  {{- if .Values.autoscaling.memory.enabled }}
+  - type: Resource
+    resource:
+      name: memory
+      target:
+        type: Utilization
+        averageUtilization: {{ .Values.autoscaling.memory.targetMemoryUtilizationPercentage }}
+  {{- end }}
+  {{- with .Values.autoscaling.behavior }}
+  behavior:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}
+

helm/values.yaml

@@ -64,6 +64,18 @@ tolerations: []
 
 affinity: {}
 
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 2
+  cpu:
+    enabled: true
+    targetCPUUtilizationPercentage: 70
+  memory:
+    enabled: false
+    targetMemoryUtilizationPercentage: 80
+  behavior: {}
+
 # Environment variables to pass to the hub container
 env: []
   # - name: DEBUG