May 2024
Intermediate to advanced
366 pages
7h 58m
English
Content preview from Certified Kubernetes Application Developer (CKAD) Study Guide, 2nd Edition
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Part II. Application Design and Build
The domain Application Design and Build summarizes all foundational topics important to designing a process or an application for the purpose of operating it in a Kubernetes Pod.
The following chapters cover these concepts:
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Chapter 4 explains basic container terminology. The content uses Docker Engine to introduce commands for defining, building, running, and modifying container images.
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Chapter 5 takes an existing container image and runs it in a Pod, the essential primitive for running applications in Kubernetes in a namespace.
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Chapter 6 touches on modeling batch workload and periodically executed workload in Kubernetes.
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Chapter 7 explains how to share data between containers running in a single Pod using ephemeral Volumes. The chapter will also explain how to store long-lived data with the help of persistent Volumes.
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Chapter 8 illustrates the use cases for wanting to run multiple containers in a Pod and how to implement them with well-established design patterns.
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Chapter 9 introduces how to assign labels and annotations to objects. After reading the chapter, you will understand the importance of labels to query, sort, and filter objects. Compared to labels, annotations add human-readable-only meta information to objects.
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