v0.21.2: Fix config apply on Docker bind mounts

os.Rename() fails with "device or resource busy" on bind-mounted files.
Fall back to direct os.WriteFile when rename fails.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-02-20 20:11:33 +01:00
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## Changelog
### v0.21.2 — Config Apply Bind Mount Fix (2026-02-20)
- **Fix config apply on Docker bind mounts**: `POST /api/config/apply` failed with "device or resource busy" because `os.Rename()` doesn't work on bind-mounted files. Now falls back to direct write when rename fails.
### v0.21.1 — Config Content Endpoint (2026-02-20)
- **`GET /api/config`**: New endpoint returning raw controller.yaml content (text/yaml). Used by Hub for live config diff and pull operations. Same auth as other config endpoints (Bearer token or session cookie).