kafka-cdi-microprofile-hello-world-2 - A hello world using Apache Kafka and Eclipse Microprofile

Apache Kafka is a community distributed streaming platform that has three key capabilities: publish and subscribe to streams of records, store streams of records in a fault-tolerant durable way and then process as streams as they occur. Apache Kafka has several success cases that include at the Java World.,

Install Apache Kafka

The official documentation has a nice getting start with Apache Kafka that teaches to install it and also Zookeeper, briefly, Kafka uses Zookeeper to Cluster membership, topic configuration and so on.

Download the 2.1.0 release and un-tar it.

tar -xzf kafka_2.11-2.1.0.tgz
cd kafka_2.11-2.1.0

• Start first a Zookeeper instance

bin/zookeeper-server-start.sh config/zookeeper.properties

• To finally, start with Apache Kafka:

 bin/kafka-server-start.sh config/server.properties

Using Docker

• Install Docker

• Install Docker-compose

Run the command:

docker-compose -f docker-compose.yml up -d

To connect as localhost, also defines the Kafka as localhost, within Linux append value below at the /etc/hosts

127.0.0.1       localhost kafka

To stop the services:

docker-compose -f docker-compose.yml down

Install maven dependencies

Run:

mvn clean install

Execute the App at your IDE and check the results.