-docker-compose stop producer
-docker-compose exec cli kafkacat -b kafka:9092 -t test -q -e -f'topic=%t\tpartition=%p\toffset=%o\tkey=%k\tvalue=%s\n'
-docker-compose logs producer
+docker-compose -f docker/docker-compose.yml ps
+docker-compose -f docker/docker-compose.yml up producer
+
+# tag::kafkacat[]
+kafkacat -b :9092 -e -q -t test | wc -l
+# end::kafkacat[]