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[]