October 2017
Intermediate to advanced
326 pages
7h 20m
English
Content preview from Implementing Modern DevOps
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Secrets and configuration management
On Docker in general, as of today, secrets are being passed into containers via environment variables. This is very insecure: first, there is no control over who can access what, and second, environment variables are not designed to act as secrets and a good amount of commercial software (and open source) outputs them into the standard output as part of bootstrapping. Needless to say, that's rather inconvenient.
Kubernetes has solved this problem quite gracefully: instead of passing an environment variable to our container, a volume is mounted with the secret on a file (or several) ready to be consumed.
By default, Kubernetes injects a few secrets related to the cluster into our containers so that they ...
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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.