How to rollback a release in Helm?

The command used for rollback in Helm is helm rollback.

Command syntax:

// Rollback to the previous version
helm rollback <release_name>

// Rollback to a specific version
helm rollback <release_name> <revision_number>

Where:

• <release_name> - the name of the Helm release to rollback.
• <revision_number> (optional) - the revision number to which to revert. If not specified, it will rollback to the previous revision.

Example of rollback to the previous version:

helm rollback my-release

Example of rollback to revision 3:

helm rollback my-release 3

After executing the command, Helm will revert the release to the specified revision, deleting or modifying resources in the Kubernetes cluster according to the manifests from that revision.

Important: It is recommended to ensure that the previous revision is working and does not contain critical errors before rollback. You can preview the revision history using helm history <release_name>.