September 2016
Intermediate to advanced
100 pages
2h 5m
English
Content preview from OpenShift for 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.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.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.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.
Chapter 4. Developing and Deploying Your First Application
At this point, you should have a good understanding of the OpenShift platform and have it running locally. Now comes the good stuff, actually using the platform for application development and deployment. In this chapter, we are going to create and deploy our first application using the popular open source WildFly application server for Java-based applications. We will also use a bit of git, since it is the main way OpenShift interacts with source code. But before we get started, we need to cover a few basics of both Git and WildFly in case you are not familiar with them.
Understanding the Tools
Git
Git is a program that provides distributed version control. You may have used Subversion, CVS, or Visual SourceSafe, which are all centralized version control systems. In centralized systems there is a master server and everyone else has a copy of the code that they need to synchronize with the master. With Git, every repository, from the one on your laptop to the one on a remote server, is considered a legitimate master. Everything is kept in sync through patches sent between repositories. You can use Git as a pseudo-centralized version control system by having everyone on the team agree on “the master.” Wikipedia has a good discussion about some of the differences between centralized and distributed version control systems.
The important thing to keep in mind about Git is that the Git repository on your machine is considered ...
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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.