August 2018
Intermediate to advanced
81 pages
1h 40m
English
book
Continuous Delivery with Spinnaker
by Emily Burns, Asher Feldman, Rob Fletcher, Tomas Lin, Justin Reynolds, Chris Sanden, Lars Wander, Rob Zienert
Content preview from Continuous Delivery with Spinnaker
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Chapter 6. Kubernetes
In the previous chapter you learned about the specifics of VM-based deployments using Amazon’s EC2 instances as an example.
In this chapter you’ll learn what makes continuous delivery (CD) pipelines to Kubernetes different from CD pipelines to VM-based clouds. You’ll also learn what your organization needs to consider when designing a CD pipeline for Kubernetes, and how tooling such as Spinnaker helps you.
What Makes Kubernetes Different
Whether you are migrating workloads to Kubernetes, or Kubernetes is your first step into cloud deployments, it’s good to know what makes Kubernetes different, from a CD perspective. This is especially true because most existing knowledge and tooling comes from deployments to VM-based clouds.
- Faster
Deployments to Kubernetes are generally much faster. Provisioning resources in Kubernetes takes seconds, while provisioning a VM can take minutes. This means your developers can very quickly deploy to a live cluster, and it takes less time to create testing environments and promote releases through staging environments. In short: time spent waiting for infrastructure to provision is less of a concern when deploying to Kubernetes.
- Declarative
Kubernetes uses manifest files to provide a declarative description of your infrastructure—it’s central to how Kubernetes works. Everything you provision and deploy, from the containers you run to the network policies governing traffic, are described in YAML. Kubernetes always tries to reach ...
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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.