Render templates locally

Render and validate manifests without installing

helm template myrelease ./mychart -f values-prod.yaml | kubectl apply --dry-run=client -f -
tool
helm54 commands
tags
helmdebug

More helm commands

  • Diff release before upgrade
    helm diff upgrade <release> ./mychart -f values.yaml -n <ns>

    Show YAML diff between current and new release (requires helm-diff plugin)

  • Upgrade with atomic rollback
    helm upgrade <release> ./mychart -n <ns> -f values.yaml --atomic --timeout 5m

    Roll back automatically if upgrade does not succeed in 5m

  • Set individual values
    helm upgrade <release> ./mychart --set image.tag=v1.5.0 --set replicaCount=3

    Override specific chart values from command line

  • Show release manifest
    helm get manifest <release> -n <ns>

    Print the Kubernetes YAML applied by the current release

  • Roll back to previous version
    helm history <release> -n <ns> && helm rollback <release> 0 -n <ns>

    Show history and roll back to previous revision (0 = latest-1)

all 54 helm commands