intermediate~4h
CI/CD and Git Interview Deep Dive: Reasoning Through Real Scenarios
The CI/CD and Git scenarios that come up constantly in real incidents -- a green pipeline hiding a broken deploy, rolling back safely, choosing between deployment strategies, and recovering from a force-push gone wrong.
Learning objectives
- Build a systematic checklist for diagnosing a green pipeline that shipped a broken deployment
- Explain the mechanics and tradeoffs of rolling back a deployment safely, including database migration concerns
- Compare blue-green, canary, and rolling deployment strategies on the specific tradeoff each one makes
- Recover lost commits after a destructive force-push using reflog and reasoning about shared history
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CI/CD and Git Interview Deep Dive: Reasoning Through Real Scenarios