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How to Use ArgoCD with GitHub?

How to Use ArgoCD with GitHub

If you are looking for an efficient way to manage your Kubernetes deployments, ArgoCD is an excellent option to consider. This open-source tool can help you automate the deployment of your applications, reduce manual errors, and ensure that all your deployments are consistent across different environments. In this article, we will walk you through the process of using ArgoCD with GitHub.

Setting Up ArgoCD

Before we start, let's make sure that you have set up ArgoCD in your Kubernetes cluster. If you haven't done that yet, you can follow these steps:

  1. Install ArgoCD CLI by running the following command:
brew install argocd
  1. Deploy ArgoCD to your Kubernetes cluster by running the following command:
kubectl create namespace argocd
kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml

Once you have set up ArgoCD, you should be able to access its web interface by running the following command:

kubectl port-forward svc/argocd-server -n argocd 8080:443

Now that we have set up ArgoCD, let's connect it with GitHub.

Connecting ArgoCD with GitHub

  1. First, we need to create a personal access token in GitHub. Go to your GitHub account settings, and then click on the "Developer settings" option. From there, select "Personal access tokens" and click on the "Generate new token" button. Give your token a name and select the scopes that you need for your deployments.

  2. Now, let's add the GitHub repository that contains your application code to ArgoCD. To do this, go to the ArgoCD web interface and click on the "Repositories" option on the left-hand side. From there, click on the "Connect repo using HTTPS" button and enter the URL of your GitHub repository. You will also need to enter the personal access token that you generated earlier.

  3. Once you have connected your repository, you can create an ArgoCD application. An application in ArgoCD represents a Kubernetes resource that you want to deploy. To create an application, click on the "Applications" option on the left-hand side of the ArgoCD web interface, and then click on the "New Application" button. Fill in the details of your application, including the source repository, the target Kubernetes namespace, and the deployment strategy.

  4. Finally, you can sync your ArgoCD application with your GitHub repository by clicking on the "Sync" button in the ArgoCD web interface. This will trigger a deployment of your application to your Kubernetes cluster.

More Examples

ArgoCD provides many features that can help you streamline your deployment process. For example, you can use ArgoCD to create Helm charts, manage your Kubernetes manifests with Kustomize, and set up automated rollouts for your applications.

If you want to learn more about how to use ArgoCD with GitHub, you can check out the official documentation from ArgoCD. They provide many examples and tutorials that can help you get started with this powerful tool.

In this article, we have shown you how to use ArgoCD with GitHub. With ArgoCD, you can automate your deployments, reduce manual errors, and ensure that your applications are deployed consistently across different environments. We hope that this article has been helpful to you, and we encourage you to try out ArgoCD for your next Kubernetes deployment.

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  • That's it for this post. Keep practicing and have fun. Leave your comments if any.

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