-echo -n bar | http -v :8080/foo
-echo -n foo | http -v :8080/bar X-id:666
-docker-compose exec cli kafkacat -b kafka:9092 -t test -f "%p|%o|%k=%s|%h\n" -e
+while ! [[ $(http 0:8080/actuator/health 2> /dev/null) =~ "UP" ]]; do echo "Waiting for producer..."; sleep 1; done
+
+docker-compose up -d peter klaus
+
+sleep 10
+docker-compose kill -s9 peter klaus
+
+# tag::kafkacat[]
+kafkacat -b :9092 -t test -o 0 -e -f 'p=%p|o=%o|k=%k|h=%h|v=%s\n'
+# end::kafkacat[]