#Kafka

Explore why synchronous request-response communication breaks down in microservices and how Event-Driven Architecture solves it. Covers Kafka vs RabbitMQ vs SQS, domain events vs integration events, event sourcing basics, eventual consistency, and practical Node.js examples.

My app made users wait 3 seconds after clicking 'Sign Up' just to send a welcome email. If the email server failed, the sign-up failed too. I share how I used a Message Queue (BullMQ) to decouple these processes, explained with a 'Restaurant Order Ticket' analogy.