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docs(memory): BLK-001 favicon 404 in prod — Dockerfile COPY whitelist

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Root cause + fix logged. New repo assets must be added to Dockerfile
COPY whitelist explicitly; future option = glob pattern if asset count
grows. Journal updated.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Bastien Chanot
2026-05-17 04:08:18 +02:00
co-authored by Claude Opus 4.7
parent f1e4392c65
commit aa52153b2c
2 changed files with 12 additions and 1 deletions
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@@ -20,8 +20,18 @@ rules:
| ID | Date | Friction | Status |
|----|------|---------|--------|
| BLK-001 | 2026-05-17 | Favicon 404 in prod after rebuild — Dockerfile selective COPY hid new repo files | resolved |
<!-- Append entries below. Template:
---
## BLK-001 — Favicon 404 in prod after Docker rebuild
- **Date**: 2026-05-17
- **Friction**: User reported favicon missing on `bchanot.fr` prod despite new landing page being live. `docker compose up -d --build` did not fix it.
- **Real cause**: `Dockerfile` uses selective `COPY index.html ./`, `COPY CV_*` (whitelist), not `COPY . ./`. Favicon assets added in commit `ef31fb3` (`favicon.svg`, `favicon-32.png`, `favicon.ico`, `apple-touch-icon.png`) were never wired into Dockerfile → never entered image layers → 404 from container even after full rebuild. New `index.html` worked because it was already on the COPY whitelist.
- **Solution**: Append `COPY favicon.svg favicon-32.png favicon.ico apple-touch-icon.png ./` to Dockerfile (commit `f1e4392`). Matching nginx cache rule for `*.{ico,svg,png,jpg,jpeg,gif,webp}` added (30d immutable). VPS rebuild required after pull.
- **Status**: resolved
- **Future application**: Whenever the repo grows a new top-level asset that must ship in the image, audit Dockerfile COPY whitelist immediately. Consider replacing the whitelist with `COPY index.html CV_*.html CV_*.pdf favicon.* apple-touch-icon.png ./` or a glob-friendly pattern if asset count grows further.
## BLK-XXX - <friction>