in order-service/index.js [204:214]
async function publishMessage(data) {
try {
const dataBuffer = Buffer.from(JSON.stringify(data))
const messageId = await pubsub
.topic(TOPIC_NAME)
.publishMessage({data: dataBuffer});
console.log(`Message ${messageId} published.`);
} catch (error) {
console.error(`Received error while publishing: ${error.message}`);
}
}