add configOverride

trainer-env/kafka/confluent-platform.yaml

@@ -33,6 +33,10 @@ metadata:
   namespace: basic
 spec:
   replicas: 3
+  configOverrides:
+    server:
+      - auto.create.topics.enable=true
+      - default.replication.factor=3
   podTemplate:
     affinity:
       podAntiAffinity: