chart/templates/hpa.yaml

{{- if $.Values.autoscaling.enabled }}
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  labels: {{ include "labels.standard" . | nindent 4 }}
  name: {{ include "name" . }}
  namespace: {{ .Release.Namespace }}
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: {{ include "name" . }}
  minReplicas: {{ $.Values.autoscaling.minReplicas }}
  maxReplicas: {{ $.Values.autoscaling.maxReplicas }}
  metrics:
    {{- if ne "" $.Values.autoscaling.targetMemoryUtilizationPercentage }}
    - type: Resource
      resource:
        name: memory
        target:
          type: Utilization
          averageUtilization: {{ $.Values.autoscaling.targetMemoryUtilizationPercentage | int }}
    {{- end }}
    {{- if ne "" $.Values.autoscaling.targetCPUUtilizationPercentage }}
    - type: Resource
      resource:
        name: cpu
        target:
          type: Utilization
          averageUtilization: {{ $.Values.autoscaling.targetCPUUtilizationPercentage | int }}
    {{- end }}
  behavior:
    scaleDown:
      stabilizationWindowSeconds: 600
      policies:
        - type: Percent
          value: 10
          periodSeconds: 60
    scaleUp:
      stabilizationWindowSeconds: 0
      policies:
        - type: Pods
          value: 1
          periodSeconds: 30
{{- end }}