Q: Your container image build is failing on `apt-get update`. What's likely wrong?
Stale package lists or network issue. Add --no-cache to Docker build or restructure to always apt-get update && apt-get install in the sa...
#Docker #Docker #L2 #Containers #Linux
🎙️ Candidate Opening & Architectural Context
""Container stability relies on clean signal handling (SIGTERM vs SIGKILL) and immutable image tagging. When addressing this question, I walk the interviewer through our production incident runbook: isolating the blast radius, checking diagnostic logs and metrics, and applying a safe fix.""
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🛠️ Production Runbook & Step-by-Step Resolution
1️⃣
Production Solution & Architecture
Stale package lists or network issue. Add --no-cache to Docker build or restructure to always apt-get update && apt-get install in the same RUN command.
💡 The Senior SRE Gold Nugget (Key Architectural Takeaway)
"Pro-Tip: Stale package lists or network issue. Add --no-cache to Docker build or restructure to always apt-get update && apt-get install in."
⚡ 60-Second Elevator Pitch Talking Points
- Immediate Triage: Stale package lists or network issue. Add --no-cache to Docker build or restructure to always a
- Run targeted verification commands before modifying configuration.
- Automate permanent guardrails (CI check, alerts, IaC policy) to prevent recurrence.
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