API gateway

  • An API gateway is typically a deployment concept and should be modelled in your deployment model.
  • API gateways can be modelled as a container when (1) you are building your own API gateway, (2) it’s required in your development environment, and (3) it’s doing more than rate limiting, routing, authentication, etc.

Example 1

Model the API gateway as an infrastructure node, intercepting the communication between the UI and the backend services.

Example 2

Model the API gateway as an annotation on the relationship between UI and backend services.

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