Cloud-Native Microservices With Kubernetes - 2nd Edition

Understanding Helm Chart Installation and Management

Charts can be installed from 4 main sources:

• A remote chart repository (e.g., https://charts.bitnami.com/bitnami)
• A remote OCI-compliant registry (e.g.,: oci://ghcr.io/my-charts)
• A local chart directory (on your disk)
• A local chart archive (a tarball file, e.g., my-chart-1.0.0.tgz)

You have the freedom to choose the source that best fits your needs but usually, charts are installed from remote repositories/registries. However, as a developer, you might often work with local chart directories or archives during the development and testing phases.

The general syntax for installing a chart is:

helm install [RELEASE_NAME] [CHART] [flags]

When you have new versions or new configurations to apply to an existing release, you can use the helm upgrade command. The general syntax is:

helm upgrade [RELEASE_NAME] [CHART] [