Helm

Repositories, installing and upgrading releases, values, rollbacks and debugging templates.

Repositories and charts

Add a repository

helm repo add bitnami https://charts.bitnami.com/bitnami

Update repositories

helm repo update

Search for a chart

helm search repo <chart>

Default values of a chart

helm show values <repo>/<chart> > values.yaml

Install or upgrade (idempotent)

helm upgrade --install <release> <repo>/<chart> -n <namespace> --create-namespace -f values.yaml

Override a single value

helm upgrade --install <release> <repo>/<chart> -n <namespace> --set image.tag=1.2.3

List releases in all namespaces

helm list -A

Release status

helm status <release> -n <namespace>

Uninstall a release

helm uninstall <release> -n <namespace>

Release history

helm history <release> -n <namespace>

Roll back to a revision

helm rollback <release> <revision> -n <namespace>

Values used by a deployed release

helm get values <release> -n <namespace>

Rendered manifests of a deployed releaseadvanced

helm get manifest <release> -n <namespace>

Render templates locally

helm template <release> ./chart -f values.yaml

Dry run against the clusteradvanced

helm upgrade --install <release> ./chart -n <namespace> --dry-run --debug

Lint a chart

helm lint ./chart

Diff before upgrading (helm-diff plugin)advanced

helm diff upgrade <release> <repo>/<chart> -n <namespace> -f values.yaml

Upgrade and wait, roll back on failureadvanced

helm upgrade --install <release> ./chart -n <namespace> --wait --atomic --timeout 5m