Alaister YoungandAlaister Young 27af9ca162 chore(www): run production builds through Turbo (#50713)
www builds currently bypass Turbo. This caches Next.js compilation and
sitemap generation while keeping content refreshes and asset uploads on
every build, including cache hits.

**Changed:**

- Refresh content before Turbo hashes its inputs, and upload assets
after Turbo saves or restores the build output.
- Include generated content, shared code, environment settings,
sitemaps, and the customer RSS feed in the cache configuration.
- Remove the redundant `vercel.json` build override and consolidate
public environment settings into `NEXT_PUBLIC_*`.

Cache reuse requires the same commit and build inputs because production
CDN URLs include the commit SHA.

**Added:**

- Build lifecycle tests covering cache restoration, input invalidation,
root/app commands, and upload ordering and failure handling.

## To test

- From `apps/www`, run `pnpm exec vitest run turbo-build.test.ts
generate-sitemap.test.ts scripts/lib/githubStars.test.ts`.
- Check the Vercel preview build runs content preparation before
`build:next`, and verify the homepage, `/sitemap.xml`, and
`/customers-rss.xml` load.
- Rebuild with identical prepared content and environment settings to
check compilation is cached. Asset uploads should still run when
enabled.

Validation: 63 tests passed, along with typecheck, ESLint for the new
test, formatting, and a full local build. The local build used public
example settings and placeholder survey configuration, with asset
uploads disabled; Vercel deployment validation is still pending.


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **Build & Deployment**
- Production builds now reuse cached outputs and restore generated
assets when a cache is available.
- Static assets upload after a successful build, and changes to content,
documentation, configuration, or shared components trigger a fresh
build.

- **Documentation**
- Added production build guidance covering caching, CDN uploads,
overrides, and direct-build limitations.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Co-authored-by: Alaister Young <10985857+alaister@users.noreply.github.com>
2026-09-28 12:14:33 -07:00
2026-09-18 10:38:49 +10:00
2025-06-17 11:08:46 +02:00
2024-01-10 13:34:41 +01:00
2021-07-25 12:45:26 +08:00

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