May 2018
Beginner to intermediate
160 pages
3h 45m
English
Content preview from Deploying to OpenShift
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Chapter 11. Webhooks and Build Automation
The support in OpenShift for the Docker and Source build strategies simplifies the build and deployment process, as OpenShift worries about the details of running the steps for you.
When the source code is contained in a hosted Git repository, OpenShift can also automatically trigger a rebuild and new deployment when the S2I builder image, or the base image used for a Docker build, has been updated. This is because it can pull down the last used source code from the Git repository whenever it needs to.
With what you have learned so far, any time you make changes to the source code you will currently still need to manually trigger a new build with the latest source code.
In order to completely automate your development workflow, in this chapter you will learn how to link your Git repository to OpenShift using a webhook. This will allow you to have a new build automatically started on code changes, each time you commit and push those changes to your Git repository.
Because you likely will want to use a private hosted Git repository, where access to your source code is only possible by first supplying appropriate access credentials, this chapter will also look at how to use OpenShift with a private hosted Git repository.
Using a Hosted Git Repository
You’ve seen how to set up the build and deployment of an application from source code, using the web console or oc command-line tool. The build can make use of a Source-to-Image builder, or ...
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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.