July 2024
Beginner to intermediate
330 pages
6h 48m
English
Content preview from The Kubernetes Book - Second Edition
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6: Kubernetes Deployments
This chapter shows you how to use Deployments to add cloud-native features such as self-healing, scaling, rolling updates, and versioned rollbacks to stateless apps on Kubernetes.
The chapter is divided as follows:
- Deployment theory
- Create a Deployment
- Manually scale an app
- Perform a rollout
- Perform a rollback
Deployment theory
Deployments are the most popular way of running stateless apps on Kubernetes. They add self-healing, scaling, rollouts, and rollbacks.
Consider a quick example.
Assume you have a requirement for a web app that needs to be resilient, scale on demand, and be frequently updated. You write the app, containerize it, and define it in a Pod YAML so it can run on Kubernetes. You then wrap the Pod ...
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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.
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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.