July 2018
Intermediate to advanced
350 pages
8h 47m
English
Content preview from Hands-On Serverless Computing
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Vendor lock-in
One of the biggest fears with serverless applications concerns vendor lock-in. This is a common fear with any move to cloud technology. For example, if you start committing to using Lambda, then you are committing to using AWS and either you will not be able to move to another cloud provider or you will not be able to afford transition to a cloud provider.
While this is understandable, there are many ways to develop applications to make a vendor switch using functions easier. A popular and preferred strategy is to pull the cloud provider logic out of the handler files so it can easily be switched to another provider. The following code illustrates a poor example of abstracting cloud provider logic.
The following code shows ...
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