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Modern DevOps Practices

You're reading from   Modern DevOps Practices Implement, secure, and manage applications on the public cloud by leveraging cutting-edge tools

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Product type Paperback
Published in Jan 2024
Publisher Packt
ISBN-13 9781805121824
Length 568 pages
Edition 2nd Edition
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Author (1):
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Gaurav Agarwal Gaurav Agarwal
Author Profile Icon Gaurav Agarwal
Gaurav Agarwal
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Toc

Table of Contents (24) Chapters Close

Preface 1. Part 1:Modern DevOps Fundamentals
2. Chapter 1: The Modern Way of DevOps FREE CHAPTER 3. Chapter 2: Source Code Management with Git and GitOps 4. Chapter 3: Containerization with Docker 5. Chapter 4: Creating and Managing Container Images 6. Part 2:Container Orchestration and Serverless
7. Chapter 5: Container Orchestration with Kubernetes 8. Chapter 6: Managing Advanced Kubernetes Resources 9. Chapter 7: Containers as a Service (CaaS) and Serverless Computing for Containers 10. Part 3:Managing Config and Infrastructure
11. Chapter 8: Infrastructure as Code (IaC) with Terraform 12. Chapter 9: Configuration Management with Ansible 13. Chapter 10: Immutable Infrastructure with Packer 14. Part 4:Delivering Applications with GitOps
15. Chapter 11: Continuous Integration with GitHub Actions and Jenkins 16. Chapter 12: Continuous Deployment/Delivery with Argo CD 17. Chapter 13: Securing and Testing Your CI/CD Pipeline 18. Part 5:Operating Applications in Production
19. Chapter 14: Understanding Key Performance Indicators (KPIs) for Your Production Service 20. Chapter 15: Implementing Traffic Management, Security, and Observability with Istio 21. Index 22. Other Books You May Enjoy Appendix: The Role of AI in DevOps

Deploying the sample Blog App

To deploy the sample Blog App, we need to define application resources. We’ve already discussed what our app is composed of. We have defined the application bundle as a Kubernetes manifest file called blog-app.yaml. We need to copy this YAML to the manifests/blog-app directory using the following command:

$ cp ~/modern-devops/ch12/blog-app/blog-app.yaml \
 ~/mdo-environments/manifests/blog-app/

I’ve prebuilt the microservices and used the required git-sha as the tag, as we did in the previous chapter. You can edit the YAML and replace it with your image for each application.

Once done, commit and push the changes to the mdo-environments repository.

As soon as you push the changes, you should notice that the blog-app application starts appearing in the Argo CD UI in less than five minutes:

 Figure 12.14 – Argo CD Web UI – Applications

Figure 12.14 – Argo CD Web UI – Applications

Wait for the application to progress. Once it turns...

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