January 2019
Intermediate to advanced
690 pages
16h
English
book
Implementing AWS: Design, Build, and Manage your Infrastructure
by Yohan Wadia, Rowan Udell, Lucas Chan, Udita Gupta
Content preview from Implementing AWS: Design, Build, and Manage your Infrastructure
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Setting up the AppSpec file
As mentioned earlier, the AppSpec, or the application specifications file, is basically a YAML or JSON backed file used to define life cycle hooks for a particular deployment. In this case, with our EC2 instance prepped and ready with the CodeDeploy agent, we still need the AppSpec file to define a set of dependencies that will essentially install the necessary packages on the EC2 instance, start or stop the services, change permissions, and much more.
The AppSpec file comprises the following sections:
- Version: The version of the AppSpec file. Currently, the version number supported with CodeDeploy is 0.0. Do not change this value.
- OS: Specifies the operating system of the underlying EC2/on-premise instance.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.