Q: How do you rebuild only a specific service in Docker Compose?
docker-compose build <service> then docker-compose up -d <service>. Compose won't rebuild services that haven't changed unless you add --...
#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
docker-compose build then docker-compose up -d . Compose won't rebuild services that haven't changed unless you add --build flag.
💡 The Senior SRE Gold Nugget (Key Architectural Takeaway)
"Pro-Tip: docker-compose build then docker-compose up -d . Compose won't rebuild services that haven't changed unless you add --build flag.."
⚡ 60-Second Elevator Pitch Talking Points
- Immediate Triage: docker-compose build then docker-compose up -d . Compose won't rebuild services that haven't c
- Run targeted verification commands before modifying configuration.
- Automate permanent guardrails (CI check, alerts, IaC policy) to prevent recurrence.
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