fix

src/main/resources/application.yml

 server:
   session-timeout: 1800
-  port: 8080
+  port: 80
 
 spring:
   datasource:
@@ -8,6 +8,10 @@ spring:
     url: jdbc:mysql://dataplatform-app-tag.c5yzcdreb1xr.us-east-1.rds.amazonaws.com:3306/app_tag?useUnicode=true&characterEncoding=utf8
     username: apptag_rw
     password: 7gyLEVtkER3u8c9
+
+    # url: jdbc:mysql://localhost:3306/app_tag?useUnicode=true&characterEncoding=utf8
+    # username: root
+    # password: 19920627
     # initialSize: 1
     # minIdle: 3
     # maxActive: 20