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Installing Helm
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From Homebrew (macOS)
Members of the Helm community have contributed a Helm formula build to Homebrew. This formula is generally up to date.
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brew install helm
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From Apt (Debian/Ubuntu)
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curl https://baltocdn.com/helm/signing.asc | gpg --dearmor | sudo tee /usr/share/keyrings/helm.gpg > /dev/null
sudo apt-get install apt-transport-https --yes
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/helm.gpg] https://baltocdn.com/helm/stable/debian/ all main" | sudo tee /etc/apt/sources.list.d/helm-stable-debian.list
sudo apt-get update
sudo apt-get install helm
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Using Curl
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# Install Helm
curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
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Setting Up a Helm Chart Repository
Check Artifact Hub for available Helm chart repositories.
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# Add a Helm repository helm repo add bitnami https://charts.bitnami.com/bitnami # Update repository list helm repo update |
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Creating a Namespace
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# Create the namespace if it doesn't exist kubectl create namespace eks-team1 |
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Searching for a Chart
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# Search for a chart (e.g., MySQL) helm search repo mysql |
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Installing a Helm Chart in eks-team1 Namespace
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# Install a chart in the namespace helm install my-release bitnami/mysql --namespace eks-team1 # Verify installation helm list --namespace eks-team1 |
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Viewing Release Details in eks-team1
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# Get details about a release in the namespace helm status my-release --namespace eks-team1 |
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Upgrading a Release in eks-team1
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# Upgrade a release with updated values in the namespace helm upgrade my-release bitnami/mysql --set image.tag=8.0.29 --namespace eks-team1 |
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Rolling Back a Release in eks-team1
Rollback lets you revert to a previous version of a release.
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# Delete a List the revision history of the release in the namespace helm uninstallhelm history my-release --namespace eks-team1 # Rollback to a specific revision (e.g., revision 1) helm rollback my-release 1 --namespace eks-team1 |
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Creating Your Own Helm Chart
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# Create a new chart
helm create my-chart
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Linting a Chart
Linting validates the Helm chart for syntax and best practices.
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# Lint a local chart
helm lint ./my-chart
# Lint a packaged chart
helm lint ./my-chart-0.1.0.tgz
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Rendering Templates Locally
This allows you to see the Kubernetes manifests generated by your Helm chart.
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# Render templates locally
helm template my-custom-release ./my-chart --namespace eks-team1
# Render templates with custom values
helm template my-custom-release ./my-chart -f custom-values.yaml --namespace eks-team1
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Installing Your Custom Chart in eks-team1
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# Package and install your chart in the namespace helm install my-custom-release ./my-chart --namespace eks-team1 |
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Using Custom Values in eks-team1
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# Deploy with custom values in the namespace helm install my-custom-release ./my-chart -f custom-values.yaml --namespace eks-team1 |
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Debugging a Chart in eks-team1
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# Dry-run and debug chart installation in the namespace helm install my-custom-release ./my-chart --dry-run --debug --namespace eks-team1 |
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