change panic to fatal log

internal/config/config.go

@@ -57,7 +57,7 @@ func createConfig(configFile string, out string, password string, verbose bool)
 
 	if err := cleanenv.ReadConfig(configFile, instance); err != nil {
 		helper, _ := cleanenv.GetDescription(instance, nil)
-		panic(fmt.Sprintf("%s\n%s", helper, err))
+		logging.Log.Fatal(fmt.Sprintf("%s\n%s", helper, err))
 	}
 
 	instance.BaseDir = files.CreateTempDir()