app properties

application.yml

topic: my-topic

server:
  port: 8090
spring:
  kafka:
    bootstrap-servers: http://localhost:29092
    properties:
      spring.deserializer.value.delegate.class: org.springframework.kafka.support.serializer.JsonDeserializer
      security.protocol: PLAINTEXT
    producer:
      key-serializer: org.apache.kafka.common.serialization.StringSerializer
      value-serializer: org.apache.kafka.common.serialization.StringSerializer
    consumer:
      group-id: my-group
      key-deserializer: org.apache.kafka.common.serialization.StringDeserializer
      value-deserializer: org.apache.kafka.common.serialization.StringDeserializer