To-Do

DB設計

users/
├ userA
│ └ tasks/
│ ├ taskA
│ └ taskB

User

• createdAt Timestamp
• updatedAt Timestamp

Task

• createdAt Timestamp
• updatedAt Timestamp
• title String
• description String
• until Timestamp
• images String[]
• status String(enum: undone, completed)

Google認証

https://zenn.dev/kazutxt/books/flutter_practice_introduction/viewer/30_chapter4_authentication#google%E3%82%A2%E3%82%AB%E3%82%A6%E3%83%B3%E3%83%88%E3%81%AB%E3%82%88%E3%82%8B%E8%AA%8D%E8%A8%BC

keytool
keytool -genkey -v -keystore .android/debug.keystore -alias androiddebugkey -keyalg RSA -validity 10000 -dname "CN=Android Debug,O=Android,C=US"
keytool -list -v -keystore .android/debug.keystore

WEB対応は https://qiita.com/corocn/items/f420f32a1633f2c97b1d