Move runtime config logging into separate function

This should only happen when needed, so moving this to a dedicated function that is called on startup

config/config.go

@@ -119,7 +119,9 @@ func (config *configEnvs) Read() {
 	if err != nil {
 		log.Fatal(err)
 	}
+}
 
+func (config *configEnvs) LogValues() {
 	s := reflect.ValueOf(config).Elem()
 	typeOfT := s.Type()
 	for i := 0; i < s.NumField(); i++ {

main.go

@@ -85,6 +85,7 @@ func main() {
 	log.Infof("Version: %s", version)
 
 	config.Config.Read()
+	config.Config.LogValues()
 	transform.ParseRules(config.Config.JiraRegexp)
 
 	apiCache = cache.New(cache.NoExpiration, 10*time.Second)