18 bootstrap-server: ${spring.kafka.consumer.bootstrap-servers}
19 client-id: ${spring.kafka.consumer.client-id}
20 group-id: ${spring.kafka.consumer.group-id}
21 topic: ${consumer.topic}
22 auto-offset-reset: ${spring.kafka.consumer.auto-offset-reset}
26 bootstrap-servers: :9092
28 auto-offset-reset: earliest
30 value-deserializer: org.apache.kafka.common.serialization.LongDeserializer