September 2016
Intermediate to advanced
100 pages
2h 5m
English
Content preview from OpenShift for Developers
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Chapter 1. Introduction to a Container Application Platform
In the few years since the original version of OpenShift was released, the cloud ecosystem has expanded at a rapid pace. New technologies and systems are springing up almost overnight. The new version of OpenShift (version 3) includes other technologies at the core of the platform, and it’s worth it to spend some time learning about them and how to incorporate them into your development work. The core technology used as the basis of OpenShift includes Docker-based containers and orchestration via the Kubernetes system. Given that the core of the platform is based on containers, we often refer to OpenShift as a container application platform in that it is a platform designed for the development and deployment of containers.
Note
So why did the OpenShift team rewrite their perfectly good PaaS (OpenShift 2)? The core architecture of OpenShift was built a bit over 4 years ago, which in the cloud evolution years (like dog years) is about 28 years ago, and a lot has changed since then. One example is Docker, which we discuss later in this chapter. The beginnings of the Docker project that you know today started as a container implementation using cgroups and kernel namespaces at a PaaS company named dotCloud. In March of 2013, the Docker project was released as an open source project and in July 2013, the company behind dotCloud pivoted and announced that their primary focus going forward would be the Docker container technology. ...
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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.