spring kafka properties

application.properties

# kafkahost:kafkaport
spring.cloud.stream.kafka.binder.brokers="localhost:9092"                
# kafkatopic1 is the stream, will create, and the stream will get the destination or topic name from here
# test is the topic name
spring.cloud.stream.bindings.kafkatopic1.destination=test
# kafkatopic1 is the stream, where we will define in what sort, we will send data
spring.cloud.stream.bindings.kafkatopic1.content-type=application/json