05 principle
Guardrails, Not Gates
Speed and safety are not opposites. Automated protection should make changes safer and faster — not add bureaucratic bottlenecks:
- Record protection — critical records should be shielded from accidental modification
- Conflict detection — CNAME conflicts, duplicate records, and type collisions must be caught before they cause outages
- Drift detection — operators should be warned when a record has been modified since they loaded it
- Rollback with impact analysis — reversing a deployment should show which downstream deployments would be affected, which records were modified externally, and exactly what the rollback will restore
- Duplicate prevention — the same record should not be deployable twice in overlapping change windows
Fear-driven after-hours changes are a symptom of unsafe processes. Good guardrails enable confidence during business hours.