anchor.diff:  This downloads the needed jar files and builds the Docker base image.
   The scripts requires `docker` and `wget` to be available.
   
  -. Start Apache Kafka brokers, e.g. using Docker compose: https://github.com/wurstmeister/kafka-docker[kafka-docker^].
  +. Start Apache Kafka brokers, e.g. using Docker compose: https://github.com/wurstmeister/kafka-docker[wurstmeister/kafka-docker^].
   Configure the `KAFKA_ADVERTISED_HOST_NAME` to your corresponding IP address.
   
   . Configure each of the `kafka.properties` files with `bootstrap.servers=<your-IP>:9092`.
  
positive.code: . Build and run the individual instances.
  On each of the `orders/`, `beans/` and `barista/` directories, execute `build-run-local.sh`.
  This builds the Gradle project, builds the Docker image and starts a new instance of the given service.
  
negative.code: = Scalable, event-driven coffee shop
  
  How to use event sourcing in several services with an event-driven architecture, Apache Kafka and Java EE.
  
  
  == Run
  
  