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The DevOps 2.4 Toolkit

You're reading from   The DevOps 2.4 Toolkit Continuous Deployment to Kubernetes: Continuously deploying applications with Jenkins to a Kubernetes cluster

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Product type Paperback
Published in Nov 2019
Publisher Packt
ISBN-13 9781838643546
Length 398 pages
Edition 1st Edition
Tools
Concepts
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Author (1):
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Viktor Farcic Viktor Farcic
Author Profile Icon Viktor Farcic
Viktor Farcic
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Toc

Table of Contents (12) Chapters Close

1. Deploying Stateful Applications at Scale FREE CHAPTER 2. Enabling Process Communication with Kube API Through Service Accounts 3. Defining Continuous Deployment 4. Packaging Kubernetes Applications 5. Distributing Kubernetes Applications 6. Installing and Setting Up Jenkins 7. Creating a Continuous Deployment Pipeline with Jenkins 8. Continuous Delivery with Jenkins and GitOps 9. Now It Is Your Turn 10. Other Books You May Enjoy Appendix A: Installing kubectl and Creating a Cluster with minikube 1. Appendix B: Using Kubernetes Operations (kops)

Upgrading Charts

We are about to install the go-demo-3 Chart. You should already be familiar with the commands, so you can consider this as an exercise that aims to solidify what you already learned. There will be one difference when compared to the commands we executed earlier. It'll prove to be a simple, and yet an important one for our continuous deployment processes.

We'll start by inspecting the values.

 1  helm inspect values helm/go-demo-3

The output is as follows.

replicaCount: 3
dbReplicaCount: 3
image:
  tag: latest
  dbTag: 3.3
ingress:
  enabled: true
  host: acme.com
route:
  enabled: true
service:
  # Change to NodePort if ingress.enable=false
  type: ClusterIP
rbac:
  enabled: true
resources:
  limits:
    cpu: 0.2
    memory: 20Mi
  requests:
    cpu: 0.1
    memory: 10Mi
dbResources:
  limits:
    memory: "200Mi"
    cpu: 0.2
  requests:
 ...
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