December 2017
Intermediate to advanced
316 pages
6h 58m
English
Content preview from Building RESTful Web services with Go
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Why is an API gateway required?
Suppose a company named XYZ developed the API for its internal purpose. There are two ways in which it exposes that API for external use:
- Exposes it using authentication from known clients
- Exposes it as an API as a service
In the first case, this API is consumed by the other services inside the company. Since they are internal, we don't restrict the access. But in the second case, since API details are given to the outside world, we need a broker in between to check and validate the requests. This broker is the API gateway. An API gateway is a broker that sits in between the client and the server and forwards the request to the server on passing specific conditions.
Now, XYZ has an API written in Go and also ...
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