March 2017
Beginner to intermediate
925 pages
18h 11m
English
book
DevOps: Puppet, Docker, and Kubernetes
by Thomas Uphill, John Arundel, Neependra Khare, Hideto Saito, Hui-Chuan Chloe Lee, Ke-Jou Carol Hsu
Content preview from DevOps: Puppet, Docker, and KubernetesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Working with secrets
Kubernetes secrets manage information in key-value formats with the value encoded. With secrets, users don't have to set values in the configuration file or type them in CLI. When secrets are used properly, they can reduce the risk of credential leak and make our resource configurations more organized.
Currently, there are three types of secret:
- Opaque: https://en.wikipedia.org/wiki/Opaque_data_type
- Service account token
- Docker authentication
Opaque is the default type. We will put service account tokens and the authentication of Docker in the remark part.
Getting ready
Before using our credentials with secrets, some precautions must be taken First, secrets have a 1 MB size limitation. It works fine for defining several key-value ...
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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.