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Renamed the Web package as Infrastructure (#25)

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This PR contains the work done to rename the _Web_ package as _Infrastructure_, to provide a clear naming and purpose to this particular package within the project.

To provide further details about the work:

* Infrastructure
  * Asset fingerprinting: an FNV-1a token derived from the static files directory, appended as ?v= to asset URLs so deploys bust caches; pre-rendered pages also revalidate via weak ETags.
  * New middlewares: fixed-window RateLimitMiddleware (per-client budgets keyed by trusted X-Forwarded-For or remote address) and VaryMiddleware (Accept-Encoding on every response); SecurityHeadersMiddleware now also stamps error responses.
  * Auto-generated HEAD endpoints, cache max-age configuration, and Docker build/Compose refinements.
  * Protocols and scaffolding: Asset/AssetExtension, the Page protocol (viewport, stylesheets, scripts, versioned URLs), and LocalizedRequestContext.
  * Rate limiter's counter store swapped from an actor to a Mutex (no executor hop per request) with amortized batch eviction instead of O(n²) scans under client floods.
  * FingerprintAssets reports unreadable files to a logger instead of silently producing a token that never busts their cache.

Reviewed-on: rock-n-code/loud-amsterdam#25
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
This commit is contained in:
javier
2026-07-23 01:04:37 +00:00
committed by javier
parent a868275347
commit cdded06ba3
58 changed files with 2844 additions and 519 deletions
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Services/Website/README.md
+10 -2
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@@ -26,7 +26,7 @@ Two SwiftPM targets:
The `Website` executable depends on three local packages:
- `Localization` (`Packages/Localization`) — the `Localize` and `Negotiate` helpers and the `LanguageList` of catalog languages (used by `WebsiteLibrary`).
- `Infrastructure` (`Packages/Infrastructure`) — the `RouterController` protocol the controllers conform to and the `addController` result-builder extension that registers their routes on the router declaratively.
- `Infrastructure` (`Packages/Infrastructure`) — the shared Hummingbird toolkit: the `RouterController` protocol and `addController` result-builder extension for declarative routing, the security/vary/rate-limit/localization/not-found middlewares, the `Page` and `Asset` scaffolding, the pre-rendered localized HTML responses, and the `FingerprintAssets` version-token derivation. The service supplies its specifics (String Catalog bundle, pages, icon metadata) through the `*+Defaults` extensions in `WebsiteLibrary`.
- `Persistence` (`Packages/Persistence`) — the Fluent-based data layer: the `Driver` selector, the `Service` factory that builds the `Fluent` service, the `PrepareDB` registrar that declares the migrations, and the `Probe` consulted by the readiness check; the models, migrations, and repositories stay internal to the package. It has no dependency on `swift-configuration`; the executable maps the `database.*` keys onto the driver.
The persistence backend runs as a `Fluent` service inside the application's ServiceLifecycle group, so it starts and stops alongside the HTTP server (which owns its connection-pool shutdown on graceful termination).
@@ -65,7 +65,8 @@ A dotted config key maps to an environment variable by upper-casing, splitting c
### Static file caching
| Config key | Environment variable | Default | Description |
| --- | --- | --- | --- |
| `cache.maxAge.text` | `CACHE_MAX_AGE_TEXT` | `3600` (1 hour) | `max-age` for text assets (CSS, JS, plain text); also marked `must-revalidate`. |
| `cache.maxAge.asset` | `CACHE_MAX_AGE_ASSET` | `31536000` (1 year) | `max-age` for fingerprinted assets (CSS, JS) and fonts; also marked `immutable`. The pages reference CSS/JS through content-versioned URLs (`?v=<token>`), so a deploy busts them by changing the URL. |
| `cache.maxAge.text` | `CACHE_MAX_AGE_TEXT` | `3600` (1 hour) | `max-age` for unversioned text assets (e.g. `robots.txt`); also marked `must-revalidate`. |
| `cache.maxAge.image` | `CACHE_MAX_AGE_IMAGE` | `604800` (1 week) | `max-age` for images (ICO, PNG, SVG). |
| `cache.maxAge.default` | `CACHE_MAX_AGE_DEFAULT` | `86400` (1 day) | `max-age` for everything else (e.g. the web manifest). |
@@ -106,6 +107,13 @@ See [Persistence](#persistence-1) below for the workflow.
| --- | --- | --- | --- |
| `path.staticFiles` | `PATH_STATIC_FILES` | `Resources/Static` | Directory, relative to the working directory, that static files are served from. |
### Rate limiting
| Config key | Environment variable | Default | Description |
| --- | --- | --- | --- |
| `rateLimit.limit` | `RATELIMIT_LIMIT` | `5` | Requests admitted per client per window on the subscribe endpoint; the excess is answered with `429 Too Many Requests` and a `Retry-After` header. |
| `rateLimit.window` | `RATELIMIT_WINDOW` | `60` | Window length, in seconds, the limit applies to. |
| `rateLimit.trustForwardedFor` | `RATELIMIT_TRUST_FORWARDED_FOR` | `false` | Key clients by the first `X-Forwarded-For` entry instead of the connection's address. Enable only behind a reverse proxy that sets the header — otherwise clients can forge it; leave it off when the server is directly reachable. |
### Security headers
| Config key | Environment variable | Default |
| --- | --- | --- |