add mysql

cloudbuild.yaml

@@ -86,7 +86,7 @@ steps:
                     initialDelaySeconds: 10
                     timeoutSeconds: 2
                     periodSeconds: 5
-                    failureThreshold: 1
+                    failureThreshold: 5
                   livenessProbe:
                     httpGet:
                       path: /actuator/health

src/main/java/com/example/template/AbstractEvent.java

@@ -9,11 +9,20 @@ import org.springframework.messaging.support.MessageBuilder;
 import org.springframework.stereotype.Service;
 import org.springframework.util.MimeTypeUtils;
 
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
 public class AbstractEvent {
 
     String eventType;
     String timestamp;
 
+    public AbstractEvent(){
+        this.setEventType(this.getClass().getSimpleName());
+        SimpleDateFormat defaultSimpleDateFormat = new SimpleDateFormat("YYYYMMddHHmmss");
+        this.timestamp = defaultSimpleDateFormat.format(new Date());
+    }
+
     public String getEventType() {
         return eventType;
     }