do not send notification if first beat is UP

server/model/monitor.js

@@ -109,6 +109,8 @@ class Monitor extends BeanModel {
             if (! previousBeat || previousBeat.status !== bean.status) {
                 bean.important = true;
 
+                // Do not send if first beat is UP
+                if (previousBeat || bean.status !== 1) {
                     let notificationList = await R.getAll(`SELECT notification.* FROM notification, monitor_notification WHERE monitor_id = ? AND monitor_notification.notification_id = notification.id `, [
                         this.id
                     ])
@@ -129,6 +131,7 @@ class Monitor extends BeanModel {
                     }
 
                     await Promise.all(promiseList);
+                }
 
             } else {
                 bean.important = false;