Alan-Jowett / sonde / 25999285343

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Build Type

push

github

Committed by web-flow

Commit Message

feat: add custom domain support for SPA (WEB-0608) (#940)

* feat: add custom domain support for SPA (WEB-0608)

Add optional custom domain binding for the Azure Static Web App so
operators can access the SPA via a branded URL (e.g.,
`https://sondeplatform.com`) alongside the default
`*.azurestaticapps.net` hostname.

Bicep changes:
- New `dns-record.bicep` module creates an ALIAS A record in an
  external Azure DNS zone pointing to the SWA resource.
- `main.bicep` gains three optional parameters: `customDomainName`,
  `customDomainDnsResourceGroup`, `customDomainDnsZoneName`.  When
  the first two are non-empty the DNS module is deployed and CORS is
  expanded.  New output: `customDomainUrl`.
- `stack.bicep` conditionally adds the custom domain origin to the
  Function App `corsAllowedOrigins` array and exposes
  `staticWebAppResourceId`.

Deploy script (`deploy.sh`):
- Discovers custom domains via `az staticwebapp hostname list`.
- Registers each custom domain as an additional SPA redirect URI on
  the Entra app registration (additive merge).
- Adds each custom domain as a CORS allowed origin on the Function
  App.

Bootstrap integration:
- `BootstrapArgs` gains `--custom-domain-name`,
  `--custom-domain-dns-resource-group`, and
  `--custom-domain-dns-zone-name` flags (also via env vars).
- `build_container_env` forwards these to the bootstrap container.
- `bootstrap.sh` passes custom domain parameters to the Bicep
  deployment and registers the custom domain redirect URI on the
  Entra app registration.

SPA (`app.js`):
- Sets MSAL `redirectUri` to `window.location.origin` explicitly so
  authentication works on both the default and custom domain hostnames.

Docs:
- `web-ui-design.md`: new §9.5 Custom Domain, updated §8 and §9.1.
- `web-ui-validation.md`: eight new test entries (T-WEB-0508,
  T-WEB-0604b, T-WEB-0608a-c, T-WEB-0609a-b, T-WEB-0610).
- Bicep `README.md`: documented new parameters.

Existing deployments are unaffected — all custom doma... (continued)

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