July 2018
Intermediate to advanced
504 pages
11h 34m
English
Content preview from Learn OpenShift
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Linking containers
Environment variables adjust settings for a single container. The same approach can be used to start a multi-tier application where one container or application works alongside the other:
Multi-tier application example
In a multi-tier application, both the application server container and database server container may need to share variables such as database login credentials. Of course, we can pass all database connectivity settings to the application container using environment variables. It is very easy to make a mistake while passing multiple -e options to the docker run command, and it is very time-consuming, not to ...
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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.