January 2018
Intermediate to advanced
414 pages
10h 29m
English
Content preview from Hands-On Microservices with Kotlin
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Fallbacks
Think about how, even if our microservices are failing, we can still respond to whoever uses them. For example, if we design a microservice that retrieves the offers from a customer but encounters a problem acceding to the data layer, maybe it could return a default set of offers that allows the application to at least have some meaningful information. In the same way, if we consume an external service, we may have a fallback mechanism if that service is not available.
Fallbacks are a common pattern to prevent a problem within your architecture affecting other parts of the system. If we have a good fallback, our application could work until that problem is fixed.
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