const { Kafka, Partitioners } = require('kafkajs') const kafka = new Kafka({ clientId: 'my-app', brokers: ['localhost:9092'] }) const producer = kafka.producer({ createPartitioner: Partitioners.LegacyPartitioner }); const run = async () => { const obj = { id: 1, name: 'John 1', age: 30 }; // Producing try { await producer.connect() await producer.send({ topic: process.env.TOPIC, messages: [ { value: JSON.stringify(obj) }, ], }) console.log('Message sent successfully!'); } catch (error) { console.error('Error sending message:', error); } finally { await producer.disconnect(); } } run()