diff -rtuN charts/fluentd.orig/templates/fluentd-configurations-cm.yaml charts/fluentd/templates/fluentd-configurations-cm.yaml
--- charts/fluentd.orig/templates/fluentd-configurations-cm.yaml	2024-04-08 11:00:03.030515998 +0000
+++ charts/fluentd/templates/fluentd-configurations-cm.yaml	2024-04-08 11:00:03.040516045 +0000
@@ -9,7 +9,7 @@
 data:
 {{- range $key, $value := .Values.fileConfigs }}
   {{$key }}: |-
-    {{- $value | nindent 4 }}
+    {{- (tpl $value $) | nindent 4 }}
 {{- end }}
 {{- end }}
