🎼BFF
Backend for Frontend
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You self-contained APIs should be in the microservices layer.
BFF is a translation layer between the client and the services.
When data is returned from a service API, the purpose of it is to transform it into the data type specified by the client application.
The BFF will do the following.
Call the relevant microservices APIs and obtain the needed data
Format the data based on the frontend representation
Send the formatted data to the frontend
If your application depends on microservices and consumes many external APIs and other services, it is better to use a BFF to streamline the data flow and introduce a lot of efficiency to your application.
Purpose of having a BFF is to provide your client a focused interface to connect with. For example, data consumption by a mobile UI could be different from data consumption by a browser. In that case, for better data representation, two BFFs can be used.
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