Bump traefik from v3.6.14 to v3.6.15 in /compose/production/traefik

[dependabot]

Bumps traefik from v3.6.14 to v3.6.15.

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[claude]

Code Review: Traefik v3.6.14 → v3.6.15

Overview: Routine Dependabot patch-version bump of the Traefik reverse proxy Docker image in the production compose setup. Single-line change in compose/production/traefik/Dockerfile.

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Assessment

Code Quality ✅

• The change is minimal and correct — only the image tag is updated, no other modifications.
• The Dockerfile structure (directory creation, permissions on acme.json) is unchanged and remains correct.

Correctness ✅

• v3.6.15 is a patch release; patch releases in Traefik follow semantic versioning and should be backward-compatible.
• Dependabot's compatibility score badge indicates the update is compatible based on CI data from other projects.

Security ✅

• Patch releases frequently include security fixes or CVE patches — keeping up with patch versions is good practice for a publicly-facing reverse proxy.
• Pinning to an explicit tag (rather than latest) is the correct approach and is preserved here.

Performance — N/A for a Docker base image patch bump with no config changes.

Test Coverage — No tests needed for a Docker base image version bump.

Risk 🟢 Low

• Patch-level release; no breaking changes expected.
• Traefik has a strong track record of non-breaking patch releases.
• The only exposure is an undetected regression in Traefik itself, which would be caught by a standard post-deploy proxy health check.

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Recommendation

Approve and merge. This is a low-risk, routine maintenance update. The only suggested follow-up is to verify the proxy is healthy after the next production deployment (standard post-deploy check).