Open5
EASのローカルビルド

--local
をつけるとできる
$ npx eas build --profile preview --platform ios --local

[INSTALL_PODS] You have either:
[INSTALL_PODS] * out-of-date source repos which you can update with `pod repo update` or with `pod install --repo-update`.
[INSTALL_PODS] * mistyped the name or version.
[INSTALL_PODS] * not added the source repo that hosts the Podspec to your Podfile.
[INSTALL_PODS] [!] `<PBXResourcesBuildPhase UUID=`xxxxxx`>` attempted to initialize an object with an unknown UUID. `xxxxxx` for attribute: `files`. This can be the result of a merge and the unknown UUID is being discarded.
[INSTALL_PODS]
Error: pod install exited with non-zero code: 31
at ChildProcess.completionListener
こんな感じのえらー

cocoapodsのバージョンを確認して、1.14.3に合わせたら動いた

Authentication with Apple Developer Portal failed!
Apple provided the following error info:
Service not available because of maintenance activities, please try again after some time.
おいおい、メンテナンスかい

Authentication with Apple Developer Portal failed!
Apple provided the following error info:
Service not available because of maintenance activities, please try again after some time.
これは、メンテナンスの可能性もあるが、
npm i -g eas-cli
をやってみてほしい....
バージョンが上がってる可能性がある....!!!