Here are simplified commands for users to run Kafka locally, along with a brief description:

Start Zookeeper Container

Start Zookeeper container and expose port 2181:

docker run -p 2181:2181 zookeeper

Start Kafka Container

Start Kafka container, expose port 9092, and set up environment variables:

docker run -p 9092:9092 \
-e KAFKA_ZOOKEEPER_CONNECT=<PRIVATE_IP>:2181 \
-e KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://<PRIVATE_IP>:9092 \
-e KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR=1 \
confluentinc/cp-kafka

Replace <PRIVATE_IP> with the private IP address of your machine.

Create Kafka Topic

Create a Kafka topic named "rider-updates" with 2 partitions:

node admin.js

Run Consumer

Run a Kafka consumer:

node consumer.js <GROUP_NAME>

Replace <GROUP_NAME> with the name of the consumer group.

Run Producer

Run a Kafka producer:

node producer.js

Enter rider name and location as prompted, e.g., tony south, tony north.

DEMO Screenshots: