Add http health

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-bin.zip

manifest.yml

@@ -3,15 +3,22 @@ applications:
 - name: spring-music
   memory: 1G
   random-route: true
-  buildpacks:
-  - java_buildpack_offline
+
+  #uncomment next 2 lines to disable buildpack autodetect
+  #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.+ } }'
+#    JBP_CONFIG_OPEN_JDK_JRE: '{ jre: { version: 11.+ } }'
+
+    #Enable graceful shutdown to avoid 502 errors
     SPRING_APPLICATION_JSON: '{ "server.shutdown": "graceful", "spring.lifecycle.timeout-per-shutdown-phase": "10s" , "sever.max-keep-alive-requests": -1}'
 
-  #A side car example
+  #A side car example, "command" can be anything that you ship with spring-music-1.0.jar
   #sidecars:
   #- name: connection-collector
   #  process_types: [ 'web' ]