fix(permission): globalize and fixes

Permission alert frop OpenGrep is wrong, as the directory must use 0755.
To make things working and to ease futur changes, I set the default
permission in a constant.

utils/utils.go

@@ -14,6 +14,9 @@ import (
 	corev1 "k8s.io/api/core/v1"
 )
 
+// Default values for permissions apply to created directories.
+const DirectoryPermission = 0o755
+
 // TplName returns the name of the kubernetes resource as a template string.
 // It is used in the templates and defined in _helper.tpl file.
 func TplName(serviceName, appname string, suffix ...string) string {