November 2017
Intermediate to advanced
298 pages
7h 10m
English
Content preview from Deployment with Docker
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Blue-green deployments
Rolling restarts are nice, but sometimes the changes that you need to apply are on the hosts themselves and will need to be done to every Docker Engine node in the cluster, for example, if you need to upgrade to a newer orchestration version or to upgrade the OS release version. In these cases, the generally accepted way of doing this without a large team for support is usually by something called blue-green deployments. It starts by deploying a secondary cluster in parallel to the currently running one, possibly tied to the same data store backend, and then at the most opportune time switching the entry routing to point to the new cluster. Once all the processing on the original cluster has died down it is deleted, ...
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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.