A blameless postmortem turns a failed build, deployment, or production incident into a shared investigation. The team looks for root causes and process improvements without restricting people’s ability to contribute or pointing fingers. section 8.6
A useful review connects the incident to changes in the delivery system:
- Give everyone a voice about technical problems, team dynamics, and possible improvements. section 8.6
- Add pipeline checks, guards, and analysis before production, then make patching or rollback efficient. section 8.6
- Make failures visible through alerts, resolve the build or deployment process, and continue work afterward. section 8.6
Failed deployment
A deployment fails and an alert reaches the team through email or Slack. Rather than identifying a culprit, the team examines what happened, restores service or redeploys a previous version, and improves the pipeline so the failure is less likely to recur. section 8.6
Table 8.1 Types of company cultures (view table figure)
The culture comparison links blameless review with actively seeking information, shared responsibilities, rewarded collaboration, and treating failure as inquiry. section 8.6
