August 2017
Intermediate to advanced
332 pages
9h 16m
English
Content preview from Continuous Delivery with Docker and Jenkins
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Application versioning
So far, during every Jenkins build, we have created a new Docker image, pushed it into the Docker registry, and used the latest version throughout the process. However, such a solution has at least three disadvantages:
- If, during the Jenkins build, after the acceptance tests, someone pushes a new version of the image, then we can end up releasing the untested version
- We always push an image named in the same way; thus, so effectively, it is overwritten in the Docker registry
- It's very hard to manage images without versions just by their hashed-style IDs
What is the recommended way of managing Docker image versions together with the Continuous Delivery process? In this section, we get to see different versioning strategies ...
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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.