Added status check to service description.

Author: en0

marathon-service-description.json

@@ -38,7 +38,18 @@
       "forcePullImage": false
     }
   },
-  "healthChecks": [],
+  "healthChecks": [
+    {
+      "gracePeriodSeconds": 300,
+      "intervalSeconds": 60,
+      "timeoutSeconds": 20,
+      "maxConsecutiveFailures": 3,
+      "portIndex": 0,
+      "path": "/api/health/_ping",
+      "protocol": "MESOS_HTTP",
+      "delaySeconds": 15
+    }
+  ],
   "readinessChecks": [],
   "dependencies": [],
   "upgradeStrategy": {