# Template — Service Runbook ## Purpose What this runbook restores or changes, and when to use it. ## Preconditions Required access, backups, maintenance state and checks before starting. Reference secret locations without copying secrets. ## Procedure Numbered, executable steps. Put commands in code blocks and state expected output/checkpoints. ## Verification How to prove the service is healthy from the user's perspective. ## Rollback Exact safe rollback boundary and data/config implications. ## Escalation Which product/service owner or specialist is required when the procedure does not recover the system. ## Last validation Date and version/environment on which this runbook was actually exercised.