ArgoCD Tutorial for Beginners | GitOps CD for Kubernetes

2 min read 5 months ago
Published on Apr 21, 2024 This response is partially generated with the help of AI. It may contain inaccuracies.

Table of Contents

Step-by-Step Tutorial: Getting Started with Argo CD for Kubernetes

  1. Understanding GitOps and Argo CD:

    • GitOps is gaining popularity in the DevOps world. Watch a video about GitOps to understand the concept better.
    • Argo CD is a continuous delivery tool specifically designed for Kubernetes clusters.
  2. Common Use Cases and Need for Argo CD:

    • Learn about the common use cases and why Argo CD is essential for managing Kubernetes configuration changes efficiently.
  3. How Argo CD Works:

    • Explore how Argo CD functions as a continuous delivery tool and compare it with other tools like Jenkins or GitLab CI/CD.
  4. Setting Up Argo CD:

    • Deploy Argo CD in a Kubernetes cluster.
    • Configure Argo CD to connect to a Git repository and monitor for changes.
  5. Automating CD Pipeline with Argo CD:

    • Create an application CRD component in Kubernetes to define the Git repository and target cluster for Argo CD.
    • Enable automated syncing of changes from the Git repository to the Kubernetes cluster.
  6. Managing Applications with Argo CD:

    • Use the Argo CD UI to monitor and manage applications deployed in the Kubernetes cluster.
    • Configure self-healing and pruning settings for automatic maintenance of application states.
  7. Testing Argo CD Functionality:

    • Make changes to the configuration files in the Git repository and observe how Argo CD automatically syncs and updates the cluster.
    • Test pruning functionality by renaming or deleting resources in the configuration files.
  8. Manual Sync and Troubleshooting:

    • Learn how to manually trigger synchronization between the Git repository and the Kubernetes cluster using the Argo CD UI.
    • Troubleshoot issues and understand how Argo CD maintains the desired state of the cluster.
  9. Sharing Knowledge:

    • Share your learnings about GitOps and Argo CD with others to promote best practices in managing Kubernetes configurations.
  10. Conclusion:

  • Wrap up the tutorial by summarizing the key concepts learned about Argo CD and its role in GitOps for Kubernetes.

By following these steps, you can gain practical experience with Argo CD and understand how it streamlines continuous delivery processes in Kubernetes environments.