log

var (
	LogFmt = &nested.Formatter{
		FieldsOrder: []string{
			log.FieldKeyTime, log.FieldKeyLevel,
			log.FieldKeyFunc, log.FieldKeyMsg,
		},
		CustomCallerFormatter: func(f *runtime.Frame) string {
			return fmt.Sprintf("(%s %s:%d)", f.Function, path.Base(f.File), f.Line)
		},
		TimestampFormat:  "2006-01-02 15:04:05.9999Z07:00",
		HideKeys:         true,
		NoColors:         false,
		NoFieldsColors:   false,
		NoFieldsSpace:    true,
		ShowFullLevel:    true,
		NoUppercaseLevel: true,
		TrimMessages:     true,
		CallerFirst:      true,
	}
)