while ! [[ $(http 0:8080/actuator/health 2> /dev/null) =~ "UP" ]]; do echo "Waiting for producer..."; sleep 1; done
-# tag::http[]
-echo -n bar | http -v :8080/foo
-echo -n foo | http -v :8080/bar X-id:666
-# end::http[]
-# tag::kafkacat[]
-docker-compose exec cli kafkacat -b kafka:9092 -t test -f "%p|%o|%k=%s|%h\n" -e
-# end::kafkacat[]
+# tag::success[]
+echo -n 'Hallo Welt!' | http -v :8080/foo
+# end::success[]
+
+# tag::failure[]
+dd if=/dev/zero bs=1024 count=1024 | http -v :8080/bar
+# end::failure[]
+
+# tag::timeout[]
+docker-compose stop kafka-1 kafka-2 kafka-3
+echo -n 'Hallo again...' | http -v --timeout 30 :8080/foo
+# end::timeout[]