Reliability

Introduction to the Outbox Pattern In the world of microservices, ensuring reliable message delivery is akin to navigating a minefield blindfolded. You never know when a message might get lost in the void, leaving your system in an inconsistent state. This is where the Outbox pattern comes to the rescue, providing a robust solution to guarantee that your messages are delivered, no matter what. The Problem Imagine you’re in a happy path scenario where everything works smoothly: your service performs a database transaction and then sends a message to another service or a message broker. However, things can quickly go awry. If the transaction succeeds but the message fails to reach its destination, you’re left with an inconsistent system. Conversely, if the transaction fails after the message has been sent, you might end up with duplicate messages or lost data. ...