Docker Intermediate About 30 min +220 XP

API Image Cannot Be Built

The release-api image build fails at a COPY step, so there is no image to run and nothing answers on the release port 3001.

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Briefing

Friday's release train is on its sixth problem.

The API repository was reorganized on Wednesday, the release image job has failed ever since, and tonight's deploy needs a working image.

The build dies within seconds, long before npm install gets a chance to run.

Sam suspects the CI runner, which was upgraded on Wednesday too, and thinks the new version is leaving files out of the build context.

The fix is yours to find: hints, the recovery checks and the debrief unlock inside the incident.

01
Get paged
The alert fires and the clock starts. Read the page and the briefing.
02
Investigate
Work in a simulated shell with realistic output: logs, configs, services.
03
Fix it
Change the system the way you would in production. Hints are there if you get stuck.
04
Prove it
Automated checks verify the recovery, then the debrief explains what happened.

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