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Publish-Subscribe Pattern

Producers emit events to a channel without knowing the consumers; subscribers register callbacks and are notified on each emission. Decouples producer from consumer but obligates subscribers to unsubscribe, or the channel leaks dead listeners.

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The Publisher Subscriber Model in Microservice Architecture

The publisher-subscriber model decouples services in a microservice architecture by replacing direct, synchronous request-response communication with asynchronous, fire-and-forget messages routed thr…