May 2017
Intermediate to advanced
436 pages
9h 44m
English
Content preview from The DevOps 2.1 Toolkit: Docker Swarm
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Setting up Continuous Delivery clusters
What is a minimum number of servers required for a production-like cluster? I'd say two. If there's only one server, we would not be able to test whether networking and volumes work across nodes. So, it has to be plural. On the other hand, I don't want to push your laptop too much so we'll avoid increasing the number unless necessary.
For the production-like cluster, two nodes should be enough. We should add one more node that we'll use for running tests and building images. The production cluster should probably be a bit bigger since it will have more services running. We'll make it three nodes big. If needed, we can increase the capacity later on. As you already saw, adding nodes to a Swarm cluster ...
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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.
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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.