add http health

Author: ywei2017

manifest.yml

@@ -6,6 +6,8 @@ applications:
   buildpacks:
   - java_buildpack_offline
   path: build/libs/spring-music-1.0.jar
+  health-check-type: http
+  health-check-http-endpoint: /actuator/health
   env:
     JBP_CONFIG_SPRING_AUTO_RECONFIGURATION: '{enabled: false}'
     JBP_CONFIG_OPEN_JDK_JRE: '{ jre: { version: 11.+ } }'