kafka-consumer-simple

Consumer Simple

This module demonstrates the following:

• How to use the Kafka Clients consumer API.
• Unit testing with a mock consumer.

This module consumes records of type <String, String> from a topic named STRING_TOPIC.

Prerequisites

To compile and run this demo, you’ll need:

• Java 21
• Maven
• Docker

Running the Application

To run the application manually:

• Start a Confluent Platform in a Docker environment.
• Produce records of type <String, String> to a topic named STRING_TOPIC. You can use the Producer Simple to do this.
• Start the consumer.

To run the application in Docker, use the following command:

docker-compose up -d

This command will start the following services in Docker:

• 1 Kafka broker (KRaft mode)
• 1 Control Center
• 1 producer Simple
• 1 consumer Simple