install kafaka: docker run -d --name broker -p 9092:9092 apache/kafka:latest

✅ To start the same existing container again: docker start broker

⏹ To stop it: docker stop broker

🔄 To check its status: docker ps -a

❌ To remove it (only if you want to delete): docker rm broker

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to open producer terminal

docker exec --workdir /opt/kafka/bin/ -it broker sh

./kafka-topics.sh --bootstrap-server localhost:9092 --create --topic test-topic

./kafka-console-producer.sh --bootstrap-server localhost:9092 --topic test-topic

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to open comsumer terminal

docker exec --workdir /opt/kafka/bin/ -it broker sh

./kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic test-topic --from-beginning

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