+
+while ! [[ $(http 0:8080/actuator/health 2> /dev/null) =~ "UP" ]]; do echo "Waiting for producer..."; sleep 1; done
+
+# 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[]