Helm Commands — quick reference

Repositories and charts

Command	Purpose
`helm repo add name https://…` / `helm repo update`	Manage repos
`helm search repo name --versions`	Available chart versions
`helm show values repo/chart --version 1.2.3`	Default values
`helm pull repo/chart --version 1.2.3 --untar`	Inspect chart source
`helm push chart-1.2.3.tgz oci://registry.example.com/charts`	Publish to OCI

Command	Purpose
`helm template rel ./chart -f values.yaml`	Render without a cluster
`helm template rel ./chart \| kubectl apply --dry-run=server -f -`	Server-side validation
`helm lint ./chart`	Chart checks
`helm install rel ./chart --dry-run --debug`	Render with cluster info

Command	Purpose
`helm upgrade --install rel ./chart -n ns --create-namespace -f values.yaml --atomic --timeout 5m`	Idempotent deploy, roll back on failure
`helm diff upgrade rel ./chart -f values.yaml`	Preview changes (plugin)
`helm history rel -n ns`	Revisions
`helm rollback rel 3 -n ns`	Caution roll the release back to revision 3
`helm uninstall rel -n ns --keep-history`	Destructive delete the release’s resources, keep its history