K8s changes (#55)

* K8S: dont send OPTIONS pings

* fix missing ref

* k8s pre-stop hook added

* k8s pre-stop hook changes

* chmod +x utility

* more k8s pre-stop changes

* pre stop

* fix healthcheck

* k8s pre-stop working

* add readiness probe

* fix bug in pre-stop

* logging

* revamp k8s pre-stop a bit

* initial support for cognigy bot

* more cognigy changes

* switch to use transcribe for cognigy

* #54 include callInfo in dialogflow event payload

app.js

@@ -92,6 +92,10 @@ sessionTracker.on('idle', () => {
   }
 });
 
+const getCount = () => sessionTracker.count;
+const healthCheck = require('@jambonz/http-health-check');
+healthCheck({app, logger, path: '/', fn: getCount});
+
 setInterval(() => {
   srf.locals.stats.gauge('fs.sip.calls.count', sessionTracker.count);
 }, 5000);