update
diff --git a/charts/ingress-nginx/templates/controller-configmap-proxyheaders.yaml b/charts/ingress-nginx/templates/controller-configmap-proxyheaders.yaml
new file mode 100644
index 0000000..38feb72
--- /dev/null
+++ b/charts/ingress-nginx/templates/controller-configmap-proxyheaders.yaml
@@ -0,0 +1,14 @@
+{{- if .Values.controller.proxySetHeaders -}}
+apiVersion: v1
+kind: ConfigMap
+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.fullname" . }}-custom-proxy-headers
+  namespace: {{ .Release.Namespace }}
+data: {{ toYaml .Values.controller.proxySetHeaders | nindent 2 }}
+{{- end }}