November 2017
Intermediate to advanced
298 pages
7h 10m
English
Content preview from Deployment with Docker
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devicemapper
Instead of working on file-level devices, this driver operates directly on the block device where your Docker instance is. While the default setup generally sets up a loopback device and is mostly fine for local testing, this particular setup is extremely not suggested for production systems due to the sparse files it creates in the loopback device. For production systems, you are encouraged to combine it with direct-lvm, but that kind of intricate setup requires a configuration that is particularly tricky and slower than the overlay storage driver, so I would generally not recommend its use unless you are unable to use aufs or overlay/overlay2.
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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.
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.