July 2024
Intermediate to advanced
360 pages
9h 45m
English
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13 Working with containers
This chapter covers
- Why to use containers
- What a container image is and how to build one
- How to set and read configuration values
- How to use secrets
Containers have become increasingly prevalent in software development. The core concept boils down to providing an isolated and portable environment to run software. One of the difficulties of developing software is the fact that things run differently depending on the machine. The OS provides access to all kinds of resources: network ports, filesystem, environment variables, other processes, kernel APIs, and so on. These resources may change from one machine to another (which is where the infamous line “It works on my machine” comes from).
13.1 Why use containers?
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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.