NODEJS-BASICS5 MIN READ
Explain npm ci without making it mystical
Explain the difference between installing dependencies for development and reproducing a locked dependency tree in CI.
Leah L frontend engineer touching a Node.js API 01 Job 02 Invariant 03 Fix The CI failure 30 sec Scenario Leah's laptop passes after npm install, but CI fails during npm ci with a lockfile mismatch. The goal is to explain the guardrail, not teach superstition. 2 files must agree CI reproduces committed deps
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