book

GitOps Cookbook

by Natale Vinto, Alex Soto Bueno

January 2023

Intermediate to advanced

242 pages

4h 38m

English

O'Reilly Media, Inc.

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Foreword
Preface
Conventions Used in This BookUsing Code ExamplesO’Reilly Online LearningHow to Contact UsAcknowledgments
1. Introduction
1.1. What Is GitOps?1.2. Why GitOps?1.3. Kubernetes CI/CD1.4. App Deployment with GitOps on Kubernetes1.5. DevOps and Agility
2. Requirements
2.1. Registering for a Container Registry2.2. Registering for a Git Repository2.3. Creating a Local Kubernetes Cluster
3. Containers
3.1. Building a Container Using Docker3.2. Building a Container Using Dockerless Jib3.3. Building a Container Using Buildah3.4. Building a Container with Buildpacks3.5. Building a Container Using Shipwright and kaniko in Kubernetes3.6. Final Thoughts
4. Kustomize
4.1. Using Kustomize to Deploy Kubernetes Resources4.2. Updating the Container Image in Kustomize4.3. Updating Any Kubernetes Field in Kustomize4.4. Deploying to Multiple Environments4.5. Generating ConfigMaps in Kustomize4.6. Final Thoughts
5. Helm
5.1. Creating a Helm Project5.2. Reusing Statements Between Templates5.3. Updating a Container Image in Helm5.4. Packaging and Distributing a Helm Chart5.5. Deploying a Chart from a Repository5.6. Deploying a Chart with a Dependency5.7. Triggering a Rolling Update Automatically5.8. Final Thoughts
6. Cloud Native CI/CD
6.1. Install Tekton6.2. Create a Hello World Task6.3. Create a Task to Compile and Package an App from Git6.4. Create a Task to Compile and Package an App from Private Git6.5. Containerize an Application Using a Tekton Task and Buildah6.6. Deploy an Application to Kubernetes Using a Tekton Task6.7. Create a Tekton Pipeline to Build and Deploy an App to Kubernetes6.8. Using Tekton Triggers to Compile and Package an Application Automatically When a Change Occurs on Git6.9. Update a Kubernetes Resource Using Kustomize and Push the Change to Git6.10. Update a Kubernetes Resource Using Helm and Create a Pull Request6.11. Use Drone to Create a Pipeline for Kubernetes6.12. Use GitHub Actions for CI
7. Argo CD
7.1. Deploy an Application Using Argo CD7.2. Automatic Synchronization7.3. Kustomize Integration7.4. Helm Integration7.5. Image Updater7.6. Deploy from a Private Git Repository7.7. Order Kubernetes Manifests7.8. Define Synchronization Windows
8. Advanced Topics
8.1. Encrypt Sensitive Data (Sealed Secrets)8.2. Encrypt Secrets with ArgoCD (ArgoCD + HashiCorp Vault + External Secret)8.3. Trigger the Deployment of an Application Automatically (Argo CD Webhooks)8.4. Deploy to Multiple Clusters8.5. Deploy a Pull Request to a Cluster8.6. Use Advanced Deployment Techniques

Index
About the Authors

Content preview from GitOps Cookbook

About the Authors

Natale Vinto is a software engineer with more than 10 years of expertise in IT and ICT technologies and a consolidated background in Telecommunications and Linux operating systems. As a solution architect with a Java development background, he spent some years as an EMEA Specialist Solution Architect for OpenShift at Red Hat. He is coauthor of Modernizing Enterprise Java for O’Reilly. Today Natale is lead developer advocate at Red Hat, helping people within communities and customers have success with their Kubernetes and cloud native strategy. You can follow more frequent updates on his Twitter feed and connect with him on LinkedIn.

Alex Soto Bueno is a director of developer experience at Red Hat. He is passionate about the Java world, software automation, and he believes in the open source software model. Alex is the coauthor of Testing Java Microservices (Manning), Quarkus Cookbook (O’Reilly), and the forthcoming Kubernetes Secrets Management (Manning), and is a contributor to several open source projects. A Java Champion since 2017, he is also an international speaker and teacher at Salle URL University. You can follow more frequent updates on his Twitter feed and connect with him on LinkedIn.

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Publisher Resources

ISBN: 9781492097464Errata Page

Cloud Computing

Data Engineering

Data Science

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GitOps Cookbook

by Natale Vinto, Alex Soto Bueno

About the Authors

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.