19 bootstrap-server: ${spring.kafka.bootstrap-servers}
20 client-id: ${spring.kafka.client-id}
21 group-id: ${spring.kafka.consumer.group-id}
22 topic: ${simple.consumer.topic}
23 auto-offset-reset: ${spring.kafka.consumer.auto-offset-reset}
26 bootstrap-servers: :9092
34 org.springframework.kafka: INFO