Intermittent DNS Failures Break Alpine-Based GitLab CI Jobs
A developer hits an intermittent 'DNS: transient error' installing packages in an Alpine-based GitLab CI job, even though a rerun without changes succeeds and the package URL is reachable locally. This points to unreliable DNS resolution inside GitLab runner containers, a hard-to-diagnose class of CI flakiness.
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Problem descriptions, scores, analysis, and solution blueprints may be updated as new community data becomes available.