Q: What is the purpose of `.dockerignore`?
Excludes files from the Docker build context. Smaller context = faster builds. Prevents accidentally copying secrets, .git, node_modules ...
#Docker #Docker #L2 #Containers #Linux #Git
🎙️ Candidate Opening & Architectural Context
""When containerizing our microservices stack, container lifecycle and resource management were critical. 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
Excludes files from the Docker build context. Smaller context = faster builds. Prevents accidentally copying secrets, .git, node_modules into the image.
💡 The Senior SRE Gold Nugget (Key Architectural Takeaway)
"Pro-Tip: Excludes files from the Docker build context. Smaller context = faster builds. Prevents accidentally copying secrets, .git, node_m."
⚡ 60-Second Elevator Pitch Talking Points
- Immediate Triage: Excludes files from the Docker build context. Smaller context = faster builds. Prevents acciden
- Run targeted verification commands before modifying configuration.
- Automate permanent guardrails (CI check, alerts, IaC policy) to prevent recurrence.
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