1 min lesson
Safe rollout and blast radius
Connect "Safe rollout is a sequence, not a single apply" to the decision you would make.
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Safe rollout and blast radiusplans are reviewed code
Safe rollout is a sequence, not a single apply. Review the change as code, then let the pipeline promote it ring by ring - each higher-stakes than the last - with state split by domain so one bad apply can't cascade.
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Full explanation
How an Infra Change Ships
Interactive diagram. Step through it with the Next and Previous controls below, or Tab to a region to read its detail.
Humans propose; the pipeline applies - and the change earns trust ring by ring.
When asked how you ship an infra change, anchor on blast radiusHow much breaks if a change goes wrong; the scope of potential damage. Press Enter for the full definition. before you mention any tool. Say: "I'd split state so a network change can't break the data plane, plan on the PR and stage the apply through dev and staging first." That sequencing is the senior signal - the tradeoff between speed and containment is exactly what an infra interviewer is listening for.