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Docker for Serverless Applications by Chanwit Kaewkasi

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Fn's architecture

The easiest setup of an Fn Server is just bringing up a standalone Fn container; however, the more complete architecture will be as shown here. A cluster implementation will be demonstrated at the end of this chapter. The following diagram shows the overview of the Fn architecture:

Figure 5.1: The architecture of the Fn FaaS cluster

As is the case with the common FaaS architecture, Fn also has the API gateway, which is Fn LB in the previous diagram. Fn LB is basically a load balancer. It passes through requests from the client to each Fn Server. In the Fn Server implementation, there is no separation concept of initiator ...

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