Follow-up · depth 6
How would you explain Artifact Promotion (Build Once) to a junior engineer?
How would you explain Artifact Promotion (Build Once) to a junior engineer?
Answers use simple, clear English.
Audio N/AQuick interview answer
Explain Artifact Promotion (Build Once) in one sentence, then a tiny example, then one “don’t do this” tip. At Junior depth: start with the problem, then mechanism, then a short example. Build a versioned image/package once in CI; promote the same digest through staging→prod.
Detailed answer
Junior-friendly explanation of Artifact Promotion (Build Once): Plain English: At Junior depth: start with the problem, then mechanism, then a short example. Build a versioned image/package once in CI; promote the same digest through staging→prod. Tiny example: CI pushes ghcr.io/app:sha-abc; staging and prod both pull sha-abc. One warning: latest tag in prod; rebuilding on deploy job.
Full explanation
Keep jargon low, then layer detail. Build a versioned image/package once in CI; promote the same digest through staging→prod. Never rebuild for prod with different flags.
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Parent context — Artifact Promotion (Build Once)
At Junior depth: start with the problem, then mechanism, then a short example. Build a versioned image/package once in CI; promote the same digest through staging→prod.
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