https://www.openmaru.io/kafka-01-%eb%a7%88%ec%bc%80%ed%84%b0%ea%b0%80-chatgpt%eb%a1%9c-%eb%b0%b0%ec%9a%b0%eb%8a%94-kafka-%ec%8b%9c%ec%9e%91%ea%b3%bc-%ea%b7%b8-%ec%97%ad%ec%82%ac/