Julien Gautier 1a8e2cbb21
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feat(infra): local serve-static profile — Caddy reverse proxy for the prod build
Add a Caddy reverse proxy behind a new `--profile serve-static` so a
contributor can exercise the production build with the per-locale
routing that the on-prem reverse proxy will use (ADR-0019). Closes
the gap PR #96 surfaced: the locale switcher / route fusion / cookie
plumbing all need a prod-faithful local setup, and `nx serve-static`
falls short (no SPA fallback per locale, no smart `/` redirect).

What lands:

- `infra/local/Caddyfile` — three-block route:
    * `GET /` → smart redirect to `/{locale}/` based on
      `Accept-Language` (FR fallback, since the APF audience is
      francophone). Cookie support waits on the BFF route in
      ADR-0019.
    * `/fr/*` → serves `dist/.../browser/fr/` with SPA fallback to
      `index.html` for deep links.
    * `/en/*` → mirror.
    * Catch-all → bounces to `/fr/` so a typo can't land on the
      Caddy directory-listing footgun (same family as the perf-gate
      fix in #92).
- `infra/local/dev.compose.yml` — new `serve-static` service on the
  `serve-static` profile, bind-mounting the Caddyfile and the
  `dist/apps/portal-shell/browser/` folder (read-only). Default
  port 4200, override via `SERVE_STATIC_PORT` in `.env`.
- `infra/local/.env.example` — adds `SERVE_STATIC_PORT=4200`.
- `infra/local/dev.sh` — registers `serve-static` in
  `ALL_PROFILES` so `dev.sh down|status|logs` catches the new
  container, and `dev.sh up serve-static` works.
- `infra/README.md` — adds the new file row, the workflow in the
  "First-time setup" snippet, the cheat-sheet row, and the service
  endpoint row with the prerequisite `nx build … -c=production`.

Workflow once merged:

```
pnpm exec nx build portal-shell --configuration=production
./infra/local/dev.sh up serve-static
open http://localhost:4200/   # → /fr/ or /en/ per Accept-Language
```

Verified locally:

- GET / with Accept-Language=fr → 302 /fr/
- GET / with Accept-Language=en → 302 /en/
- GET /unknown → 302 /fr/
- GET /fr/deep/route → 200 (SPA fallback to fr/index.html)
- GET /fr/favicons/favicon.svg → 200 (per-locale asset served)
- /fr/index.html has `lang="fr"` and `<base href="/fr/">`
- /en/index.html has `lang="en"` and `<base href="/en/">`

This is local convenience only — no TLS, no auth, binds to
localhost. The on-prem reverse proxy gets its own ADR (phase 3b).
2026-05-12 00:03:59 +02:00

Documentation index

This is the entry point to all project documentation. It is maintained automatically: any addition, rename, or removal of a .md file under docs/ must be reflected here in the same change.

Conventions

  • Documentation is written in English.
  • One topic per file. Group related files into a folder when there are three or more.
  • Cross-reference with relative links so they keep working in GitHub, IDEs, and exported sites.
  • For architectural decisions, do not add them here — they belong in decisions/ as MADR 4.0.0 ADRs.

Sections

Daily development

  • development.md — repo layout, prerequisites, initial setup, daily commands, observability dev-loop (Jaeger UI, log ↔ trace correlation), dependency updates (Renovate), conventional commit cycle. Day-to-day reference for working on the project.

Architecture

  • architecture.md — cross-cutting Mermaid diagrams: C4 system context, C4 containers, Nx module boundaries, CI/CD pipeline. Single-decision diagrams (auth sequence, ERD, etc.) live inline in their ADR.

Onboarding & environment

Setup guides for new contributors:

Operations & runbooks

Empty — to be populated when we deploy.

Security, performance, accessibility

Empty — placeholders to be filled with rationale docs alongside their corresponding ADRs.

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