以下を検証。
-
firebase emulators を使った開発
- auth
- functions
- firestore
-
firebase deploy でインフラ構築
-
Hosting
Cloudflare Pages -
Access Management
Cloudflare Access(Cloudflare Zero Trust)
- Cloudflare Pages のドメインを Firebase Authentication の
承認済みのドメインに追加 - App Check でのエラー解消のために、Cloudflare Pages のドメインを reCAPTCHA の
ドメインに追加 - Firebase Cloud Functions の
...has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.エラー解消のために、Google Clould Functions のアクセス権限にallUserを追加- App Check あり前提の対応