update
diff --git a/charts/ingress-nginx/templates/default-backend-poddisruptionbudget.yaml b/charts/ingress-nginx/templates/default-backend-poddisruptionbudget.yaml
new file mode 100644
index 0000000..00891ce
--- /dev/null
+++ b/charts/ingress-nginx/templates/default-backend-poddisruptionbudget.yaml
@@ -0,0 +1,21 @@
+{{- if .Values.defaultBackend.enabled -}}
+{{- if or (gt (.Values.defaultBackend.replicaCount | int) 1) (gt (.Values.defaultBackend.autoscaling.minReplicas | int) 1) }}
+apiVersion: {{ ternary "policy/v1" "policy/v1beta1" (semverCompare ">=1.21.0-0" .Capabilities.KubeVersion.Version) }}
+kind: PodDisruptionBudget
+metadata:
+ labels:
+ {{- include "ingress-nginx.labels" . | nindent 4 }}
+ app.kubernetes.io/component: default-backend
+ {{- with .Values.defaultBackend.labels }}
+ {{- toYaml . | nindent 4 }}
+ {{- end }}
+ name: {{ include "ingress-nginx.defaultBackend.fullname" . }}
+ namespace: {{ .Release.Namespace }}
+spec:
+ selector:
+ matchLabels:
+ {{- include "ingress-nginx.selectorLabels" . | nindent 6 }}
+ app.kubernetes.io/component: default-backend
+ minAvailable: {{ .Values.defaultBackend.minAvailable }}
+{{- end }}
+{{- end }}