April 2018
Intermediate to advanced
250 pages
5h 42m
English
Content preview from Docker for Serverless Applications
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WebHook
The Parse platform provides an extensible mechanism to allow us to process business logic externally. This is where functions come in. This mechanism is called WebHook.
We may have functions running as external processes, outside the Parse platform, and use them in conjunction with Parse's WebHook to perform complex business logic. As in the previous example, we already have the Transfer class. We then define a WebHook for this class to call an external function every time, before each of the Transfer entities is saved. We specify a URL to a FaaS gateway for this WebHook. The HTTP POST method will be made to the specified URL with the JSON as its request body. The request body contains the data of the current Transfer entity.
A WebHook ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.