Continuous Delivery (CD) is an essential part of modern software development. It allows developers to automate the process of testing and deploying code changes to production. ArgoCD is a popular tool used to manage the CD workflow, providing an automated way to deploy and manage applications.
In this article, we'll cover the basics of CD workflow with ArgoCD, including setting up a deployment, configuring your application, and managing the deployment process.
Before we begin, make sure you have the following installed:
- ArgoCD CLI
- Kubernetes CLI (kubectl)
You will also need access to a Kubernetes cluster with ArgoCD installed.
The first step in the CD workflow with ArgoCD is to configure it to deploy your application. ArgoCD uses a declarative configuration file called an Application Manifest to describe your application's desired state. Here's an example of an Application Manifest:
This manifest tells ArgoCD to deploy an application called
myapp from the GitHub repository
https://github.com/myorg/myapp.git. The deployment target is the
default namespace in the Kubernetes cluster.
To apply this manifest, use the following command:
argocd app create myapp --repo https://github.com/myorg/myapp.git --path . --dest-server https://kubernetes.default.svc --dest-namespace default
This command creates a new application in ArgoCD called
myapp and sets up the deployment target to the default namespace.
Deploying Your Application
Once you've configured ArgoCD, it's time to deploy your application. To deploy your application, use the following command:
argocd app sync myapp
This command will sync your application with the desired state described in the Application Manifest. ArgoCD will compare the current state of your application with the desired state and make any necessary changes to bring the two into alignment.
Managing Your Deployment
ArgoCD provides a web interface for managing your deployments. You can access the web interface by running the following command:
kubectl port-forward svc/argocd-server -n argocd 8080:443
Once you've port-forwarded the ArgoCD server, you can access the web interface by visiting
https://localhost:8080 in your web browser.
From the web interface, you can view the status of your deployments, rollback to a previous version, and make changes to your deployment configuration.
In this article, we've covered the basics of CD workflow with ArgoCD. We've shown you how to configure ArgoCD, deploy your application, and manage your deployment process. ArgoCD is a powerful tool for managing CD workflows, and we hope this article has helped you get started with it.
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That's it for this post. Keep practicing and have fun. Leave your comments if any.
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