Q: A developer accidentally committed `terraform.tfvars` with production values, including secrets. What should you do?
Remove the sensitive file from Git tracking, rotate every exposed secret, and replace the workflow with a safer input method such as CI v...
#Terraform #Use VPC ID from another module #L2 #IaC #Cloud Infrastructure #Git
🎙️ Candidate Opening & Architectural Context
""In our enterprise Terraform repository, we designed reusable modules and remote backends to prevent this exact issue. 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
Remove the sensitive file from Git tracking, rotate every exposed secret, and replace the workflow with a safer input method such as CI variables, Vault, AWS Secrets Manager, or environment variables. Add .gitignore rules so local tfvars files are not committed, and review whether the state file also contains those secrets because state storage needs the same level of protection.
💡 The Senior SRE Gold Nugget (Key Architectural Takeaway)
"Pro-Tip: Remove the sensitive file from Git tracking, rotate every exposed secret, and replace the workflow with a safer input method such ."
⚡ 60-Second Elevator Pitch Talking Points
- Immediate Triage: Remove the sensitive file from Git tracking, rotate every exposed secret, and replace the workf
- Run targeted verification commands before modifying configuration.
- Automate permanent guardrails (CI check, alerts, IaC policy) to prevent recurrence.
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