October 2018
Beginner
470 pages
11h 57m
English
Content preview from Getting Started with Kubernetes - Third Edition
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Labels
Labels give us another level of categorization, which becomes very helpful in terms of everyday operations and management. Similar to tags, labels can be used as the basis of service discovery as well as a useful grouping tool for day-to-day operations and management tasks. Labels are attached to Kubernetes objects and are simple key-value pairs. You will see them on pods, replication controllers, replica sets, services, and so on. Labels themselves and the keys/values inside of them are based on a constrained set of variables, so that queries against them can be evaluated efficiently using optimized algorithms and data structures.
The label indicates to Kubernetes which resources to work with for a variety of operations. Think of ...
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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.