April 2023
Intermediate to advanced
418 pages
11h 17m
English
Content preview from Docker: Up & Running, 3rd Edition
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Chapter 2. The Docker Landscape
Before you dive into configuring and installing Docker, a broad survey is in order to explain what Docker is and what it brings to the table. It is a powerful technology but not a tremendously complicated one at its core. In this chapter, we’ll cover the generalities of how Docker and Linux containers work, what makes them powerful, and some of the reasons you might use them. If you’re reading this, you probably have your reasons to use containers, but it never hurts to augment your understanding before you jump in.
Don’t worry—this chapter should not hold you up for too long. In the next chapter, we’ll dive right into getting Docker installed and running on your system.
Process Simplification
Because Docker is a piece of software, it may not be obvious that it can also have a big positive impact on company and team processes if it is adopted and implemented well. So, let’s dig in and see how Docker and Linux containers can simplify both workflows and communication. This usually starts with the deployment story. Traditionally, the cycle of getting an application to production often looks something like the following (illustrated in Figure 2-1):
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Application developers request resources from operations engineers.
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Resources are provisioned and handed over to developers.
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Developers script and tool their deployment.
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Operations engineers and developers tweak the deployment repeatedly.
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Additional application dependencies are discovered by developers. ...
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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.