TFLint Interview Guide

🟢 Easy (Basics)

1. TFLint?

Terraform linter for correctness & best practices.

2. Init & run?

tflint --init, then tflint.

3. Plugins?

Provider plugins add resource‑specific rules.

4. Config?

.tflint.hcl to tune rules.

5. CI?

Fail on errors; warn on style.

1. Custom rules?

Author plugins in Go.

2. Perf?

Cache plugins; scope to changed paths.

3. Pair with tfsec?

Lint for correctness; tfsec for security.

4. Detect unused?

Rules can catch unused vars/locals.

5. Version drift?

Warn on deprecated args.

1. Scale across teams?

Standard config, pin versions, required checks.

2. Golden modules?

Embed examples/tests to reduce lint noise.

1. Many lint warnings.

Triage by severity; provide fix‑it guides.

2. Provider API changes.

Pin providers; update modules; CI catches drift.

3. Multi‑cloud repos.

Enable multiple plugins; split configs.

Generated for quick interview revision — basics, hands-on, advanced, and scenarios.