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feat: add allowed domain #57

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Merged
ematipico merged 1 commit into from
Oct 22, 2026
+21 −0
Merged

feat: add allowed domain #57

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10 changes: 10 additions & 0 deletions packages/cloudflare-api-site/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -180,6 +180,16 @@ FORGE_OPENAPI_RELEASE='openapi@<api-schemas-commit>' pnpm --filter cloudflare-ap
Set `FORGE_OPENAPI_SPEC` to an already-downloaded artifact to build without
downloading it again.

Astro trusts the `X-Forwarded-Host` header only for hosts listed in
[`security.allowedDomains`](https://docs.astro.build/en/reference/configuration-reference/#securityalloweddomains)
(`cloudflare.com` and its subdomains, over HTTPS). For an internal deployment, set
`INTERNAL_SITE_DOMAIN` to its hostname (for example `docs.internal.example`)
when building to add it to the list:

```bash
INTERNAL_SITE_DOMAIN='<internal-hostname>' pnpm --filter cloudflare-api-site build
```

`check` validates the Astro components. `build` verifies the Cloudflare SSR
bundle.

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11 changes: 11 additions & 0 deletions packages/cloudflare-api-site/astro.config.mjs
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Expand Up @@ -7,6 +7,16 @@ import astroFern from 'astro-fern';

const site = 'https://docs.experiments.devprod.cloudflare.dev';

const internalSiteDomain = process.env['INTERNAL_SITE_DOMAIN']?.trim();
// `*.cloudflare.com` only one sub domain on purpose
const allowedDomains = [
{ protocol: 'https', hostname: '*.cloudflare.com' },
{ protocol: 'https', hostname: '**.cloudflare.dev' },
];
if (internalSiteDomain) {
allowedDomains.push({ protocol: 'https', hostname: internalSiteDomain });
}

const nimbusConfig = defineNimbusConfig({
site,
title: 'Cloudflare API',
Expand All @@ -24,6 +34,7 @@ export default defineConfig({
output: 'server',
trailingSlash: 'always',
adapter: cloudflare({ prerenderEnvironment: 'node' }),
security: { allowedDomains },
vite: {
plugins: [tailwindcss()],
// astro-fern builds operation artifact URLs from `site`, and in dev the
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