September 2020
Intermediate to advanced
612 pages
13h 48m
English
Content preview from Docker Certified Associate (DCA): Exam Guide
Container Persistency and Networking
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Containers are processes that run on a host. This seems very simple, but how will this work on a pool of nodes? If we are looking for high availability, being able to run our containers on any host from a pool will ensure execution everywhere. But this approach requires some special logic in our applications. Our applications must be completely portable and avoid friction and dependencies on any host. Applications with many dependencies are always less portable. We need to find a way to manage status data for containers. We will review different persistence strategies in this chapter.
On the other hand, the aforementioned pool of hosts must be able to communicate with all containers. In this chapter, ...
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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.