April 2018
Intermediate to advanced
374 pages
8h 35m
English
Content preview from Kubernetes for Developers
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Initialization containers
Initialization containers are containers that can be defined on your Pod, and will be invoked in the specific sequence that they are defined prior to your main container (or containers) being started. Initialization containers became a normal part of Pod specification in Kubernetes version 1.6.
These containers can use the same container image and simply have alternate commands, but they can also use entirely different images, leveraging the Kubernetes Pod guarantees of shared network and filesystem mounts to do initialization and setup work prior to the main container operating. These containers also use namespaces, so they can be given specific access that the main container doesn't have; consequently, they can ...
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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.