update
diff --git a/charts/ingress-nginx/templates/controller-poddisruptionbudget.yaml b/charts/ingress-nginx/templates/controller-poddisruptionbudget.yaml
new file mode 100644
index 0000000..91be580
--- /dev/null
+++ b/charts/ingress-nginx/templates/controller-poddisruptionbudget.yaml
@@ -0,0 +1,26 @@
+{{- if or (and .Values.controller.autoscaling.enabled (gt (.Values.controller.autoscaling.minReplicas | int) 1)) (and (not .Values.controller.autoscaling.enabled) (gt (.Values.controller.replicaCount | 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: controller
+ {{- with .Values.controller.labels }}
+ {{- toYaml . | nindent 4 }}
+ {{- end }}
+ name: {{ include "ingress-nginx.controller.fullname" . }}
+ namespace: {{ .Release.Namespace }}
+ {{- if .Values.controller.annotations }}
+ annotations: {{ toYaml .Values.controller.annotations | nindent 4 }}
+ {{- end }}
+spec:
+ selector:
+ matchLabels:
+ {{- include "ingress-nginx.selectorLabels" . | nindent 6 }}
+ app.kubernetes.io/component: controller
+ {{- if and .Values.controller.minAvailable (not (hasKey .Values.controller "maxUnavailable")) }}
+ minAvailable: {{ .Values.controller.minAvailable }}
+ {{- else if .Values.controller.maxUnavailable }}
+ maxUnavailable: {{ .Values.controller.maxUnavailable }}
+ {{- end }}
+{{- end }}