Helm upgrade and rollback workflow
WHAT IT TESTS: Helm release lifecycle. OUTLINE: helm upgrade creates a new revision; helm history lists revisions; helm rollback reverts to a prior one; --atomic auto-rolls-back on failure. RED FLAG: reinstalling or deleting the release instead.
WHAT IT TESTS: whether you understand Helm's revisioned releases. ANSWER OUTLINE: helm upgrade myapp ./chart applies new values or chart version and creates a new revision; helm history myapp shows all revisions; helm rollback myapp 3 reverts to revision 3. Mention --atomic and --wait so a failed upgrade rolls back automatically, and --timeout for readiness. RED FLAG: uninstalling and reinstalling, or kubectl-editing live objects instead of using Helm's revision history.
Read the original → interview
- #helm
- #kubernetes
- #rollback
- #upgrade
- #release-management
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