follow up fixes for recommended labels (#143)

Author: svrnm

scripts/generators/k8s/templates/services/deployment.yaml.j2

@@ -42,7 +42,7 @@ spec:
           valueFrom:
             fieldRef:
               apiVersion: v1
-              fieldPath: metadata.labels['service']
+              fieldPath: metadata.labels['app.kubernetes.io/name']
         ports:
         - containerPort: {{ service_port|default('8080') }}
         resources:

scripts/generators/k8s/templates/services/service.yaml.j2

@@ -31,8 +31,8 @@ metadata:
 {% endif %}
 spec:
   selector:
-    app: {{ appName|default('AppSimulatorApp') }}
-    service: {{ serviceName }}
+    app.kubernetes.io/part-of: {{ appName|default('AppSimulatorApp') }}
+    app.kubernetes.io/name: {{ serviceName }}
   ports:
     - protocol: TCP
       targetPort: {{ servicePort|default('8080') }}