The publish-subscribe pattern fundamentally changes how components communicate. Instead of service A directly calling service B (request-response), service A publishes an event to a topic, and any…
Read more →Redis Pub/Sub implements a publish-subscribe messaging paradigm where publishers send messages to channels without knowledge of subscribers, and subscribers listen to channels without knowing about…
Read more →The publish-subscribe pattern fundamentally changes how services communicate. Instead of Service A calling Service B directly (request-response), Service A publishes a message to a topic, and any…
Read more →The Observer pattern solves a fundamental problem in software design: how do you notify multiple components about state changes without creating tight coupling between them? The answer is simple—you…
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