August 2017
Intermediate to advanced
332 pages
9h 16m
English
Content preview from Continuous Delivery with Docker and Jenkins
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Backwards-compatible changes
Backwards-compatible changes are simpler. Let's look at the following figure to see how they work:
Suppose the schema migration Database v10 is backwards-compatible. If we need to roll back the Service v1.2.8 release, then we deploy Service v1.2.7, and there is no need to do anything with the database (database migrations are not reversible, so we keep Database v11). Since the schema update is backwards-compatible, Service v.1.2.7 works perfectly fine with Database v11. The same applies if we need to roll back to Service v1.2.6, and so on. Now, suppose Database v10 and all other migrations are backwards-compatible, ...
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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.