July 2017
Intermediate to advanced
374 pages
8h
English
Content preview from Cloud Native Python
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How it works
A user makes a POST request to the API gateway, which is an entry point for the user management service to register users. The API gateway, in turn, makes an RPC Call (Remote procedure call) to the createUser method in the management service. The createUser endpoint performs a set of validations on the user input. If the input is invalid, it will throw an exception, and return the error to the API gateway. Once the user input is validated, the user is registered, and UserCreatedEvent is triggered to get published in Kafka. In Kafka, partitions capture the events. In our example, the users topic has three partitions, so the event will be published to one of the three partitions based on some defined logic; this logic is defined ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.