Deploying a Helm chart from a Git repository

In true GitOps fashion, Argo CD can be used to deploy a Helm chart from a Git repository. The following diagram shows the flow involved in deploying a Helm chart from a Git repository using Argo CD:

Figure 10.3 – Deploying a Helm chart from a Git repository

Here, you can see that Argo CD clones the Git repository containing the desired Helm chart. Then, Argo CD interprets the repository as one containing a Helm chart, since it notices the presence of the Chart.yaml file and surrounding Helm chart structure. From there, Argo CD proceeds by rendering the Helm chart manifests and applying them to the designated Kubernetes namespace.

Note that Argo CD renders the Helm chart templates and applies them as opposed to installing the Helm chart directly. This is because Argo CD only applies Kubernetes manifests, so it first runs a helm template internally to produce the full Kubernetes manifest from the provided...