fixed fail when no secretEnv was defined

helm/wekan/templates/secret.yaml

@@ -1,3 +1,4 @@
+{{ if .Values.secretEnv }}
 apiVersion: v1
 kind: Secret
 metadata:
@@ -7,3 +8,4 @@ data:
   {{- range $key := .Values.secretEnv }}
   {{ $key.name }}: {{ $key.value | b64enc }}
   {{- end}}
+{{ end }}

helm/wekan/values.yaml

@@ -33,9 +33,9 @@ env:
 ## Deployment. These can e.g. be provided by a Secret and allow
 ## to store passwords separately
 ##
-secretEnv:
-  - name: ""
-    value: ""
+secretEnv: {}
+  # - name: ""
+  #   value: ""
 
 service:
   type: NodePort