January 2025
Beginner to intermediate
120 pages
1h 43m
English
Content preview from Quick Start Kubernetes - Third Edition
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9: Performing a rolling update
In this chapter, you’ll perform a zero-downtime rolling update on the app we’ve been using in the previous chapters. If you’re unsure what a zero-downtime rolling update is, great, you’re about to find out.
We’ll divide this chapter as follows.
- Pre-requisites
- Performing a rollout
Pre-requisites
If you’ve followed along in previous chapters, you’ll already have the qsk-deploy Deployment managing five replicas and the svc-lb Service providing stable networking. If you do, skip to the Performing a rollout section.
If you haven’t followed along, complete these steps to get ready.
- Get a Kubernetes cluster and configure
kubectl(see Chapter 3) - Clone the book’s GitHub repo
- Deploy the sample app and Service
If you ...
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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.