go get sandy github.com/main/sandy import sandy "github.com/main/sandy/app" maxSilenceTime := 5 * time.Second maxOperationTime := 2 * time.Second instanceName := "Auto PG worker" snd := sandy.New(context.Background(), app.Options{MaxSilenceTime: maxSilenceTime, MaxOperationTime: maxOperationTime, MailerOptions: mailer.Options{InstanceName: "Sandy main.go", TemplateEmailSilenceMaxTimeExceeded: fmt.Sprintf(` Instance %s has reached maximum silence timeout, which is %s. Number of photos in handle{{.NumberOfPhotos}}`,instanceName, maxSilenceTime.String()), TemplateEmailOperationMaxTimeExceeded: fmt.Sprintf(` Instance %s has reached maximum operation timeout, which is %s. Number of photos in handle{{.NumberOfPhotos}}`, instanceName, maxOperationTime.String()), SenderEmail: "[email protected]", SenderName: "Rachel", Receivers: []string{"[email protected]"}, SendGridKey: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", }, }) args := make(map[string]string) args["NumberOfPhotos"] = "213" snd.OperationStarted(args) // ... // do some job // ... snd.OperationFinished()