hello-streams 🔄

What is this?

hello-streams is a demo application presented at kafka-summit 2019 entitled 'hello-streams :: Introducing the "streams-first" mindset'.

Why make this

To provide insight into an opinionated solution using NodeJS, Java, GraphQL, Kafka, and Kafka-Streams to implement an event-driven-design using event-sourcing, domain events, business events, and command events.

Pre-Requisites:

• OpenJDK11 <-- really, you need this!!
• Node + YARN
• docker + docker-compose

To Build everything:

• Ensure confluent stack is running

make start-confluent

• Build everything

make build

To Run everything:

• Run each following line in a separate terminal window:

(cd order-processor && make run)
(cd bean-processor && make run)
(cd barista-processor && make run)
(cd order-cleaner && make run)
(cd coffee-shop-service && make run)
(cd coffee-shop && make run)