You are moving CI execution onto Kubernetes. Walk me through your isolation and cost decisions.

Runner migration questions hide two different exams: whether a PR job can steal your cloud credentials, and why the fleet idles at half price all night. Isolation first, economics second.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

Runner migration questions hide two different exams: whether a PR job can steal your cloud credentials, and why the fleet idles at half price all night. Isolation first, economics second.

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UP NEXT ON YOUR JOURNEY

Next in this trackSome teams ship daily while others board a release train each fortnight. How do you choose cadence per product area?Next in this trackDesign the pipeline that retrains and redeploys a model nightly. What makes it different from a normal CD pipeline?Next in this trackPreview environments are easy until the first one needs a database and a payment provider. How do you handle that?

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