-docker-compose stop producer consumer-1 consumer-2 consumer-3
-docker-compose logs consumer-1
-docker-compose logs consumer-2
-docker-compose logs consumer-3
+echo "Writing logic error..."
+# tag::logicerror[]
+echo 66 | http -v :8080/peter?error=1
+# end::logicerror[]
+
+echo 66 | http -v :8080/peter
+echo 7 | http -v :8080/klaus
+
+sleep 5
+docker-compose stop consumer-1 consumer-2
+docker-compose logs -f consumer-1 consumer-2
+# tag::kafkacat[]
+kafkacat -b :9092 -t test.DLT -e -f 'p=%p|o=%o|%k=%s|h=%h\n'
+# end::kafkacat[]