Fix apm-server args

Author: anuraaga

k8s/k8s-manifest-elastic.yml

@@ -172,26 +172,28 @@ spec:
             - |
               echo "Waiting for kibana to be available";
               until curl -s http://kibana:5601/api/status | grep -q 'available'; do sleep 5; done;
+              echo "Found kibana";
       containers:
         - name: apm-server
           image: docker.elastic.co/apm/apm-server:8.17.2
           ports:
             - containerPort: 8200
-          env:
-            - name: apm-server.kibana.enabled
-              value: "true"
-            - name: apm-server.kibana.host
-              value: http://kibana:5601
-            - name: apm-server.kibana.username
-              value: elastic
-            - name: apm-server.kibana.password
-              value: elastic
-            - name: output.elasticsearch.hosts
-              value: http://elasticsearch:9200
-            - name: output.elasticsearch.username
-              value: elastic
-            - name: output.elasticsearch.password
-              value: elastic
+          command:
+          - /usr/local/bin/docker-entrypoint
+          - -E
+          - setup.kibana.enabled=true
+          - -E
+          - setup.kibana.host=kibana:5601
+          - -E
+          - setup.kibana.username=elastic
+          - -E
+          - setup.kibana.password=elastic
+          - -E
+          - output.elasticsearch.hosts=[elasticsearch:9200]
+          - -E
+          - output.elasticsearch.username=elastic
+          - -E
+          - output.elasticsearch.password=elastic
           readinessProbe:
             tcpSocket:
               port: 8200