apiVersion: kafka.strimzi.io/v1beta1 kind: Kafka metadata: name: my-cluster spec: kafka: version: 2.4.0 replicas: 1 listeners: plain: {} tls: {} config: offsets.topic.replication.factor: 1 transaction.state.log.replication.factor: 1 transaction.state.log.min.isr: 1 log.message.format.version: "2.4" storage: type: ephemeral zookeeper: replicas: 3 storage: type: ephemeral entityOperator: topicOperator: {} userOperator: {}