AmplifyでSMS認証を導入する際に注意すること！SNSの上限緩和申請に迫る

$ amplify init
Note: It is recommended to run this command from the root of your app directory
? Enter a name for the project sample-20200328
? Enter a name for the environment dev
? Choose your default editor: None
? Choose the type of app that you're building javascript
Please tell us about your project
? What javascript framework are you using none
? Source Directory Path:  src
? Distribution Directory Path: dist
? Build Command:  npm run-script build
? Start Command: npm run-script start
Using default provider  awscloudformation

For more information on AWS Profiles, see:
https://docs.aws.amazon.com/cli/latest/userguide/cli-multiple-profiles.html

? Do you want to use an AWS profile? Yes
? Please choose the profile you want to use default
Adding backend environment dev to AWS Amplify Console app: di3hfb43dqb95
⠸ Initializing project in the cloud...

...

Your project has been successfully initialized and connected to the cloud!

$amplify add auth
Using service: Cognito, provided by: awscloudformation
 
 The current configured provider is Amazon Cognito. 
 
 Do you want to use the default authentication and security configuration? Manual configuration
 Select the authentication/authorization services that you want to use: User Sign-Up, Sign-In, connected with AWS IAM controls (Enables per-user Storage features for images or other content, Analytics, and more)
 Please provide a friendly name for your resource that will be used to label this category in the project: sample20200328
 Please enter a name for your identity pool. sample_202003288ad28725_identitypool_8ad28725
 Allow unauthenticated logins? (Provides scoped down permissions that you can control via AWS IAM) No
 Do you want to enable 3rd party authentication providers in your identity pool? No
 Please provide a name for your user pool: sample_202003288ad28725_userpool_8ad28725
 Warning: you will not be able to edit these selections. 
 How do you want users to be able to sign in? Phone Number
 Do you want to add User Pool Groups? Yes
? Provide a name for your user pool group: customer
? Do you want to add another User Pool Group No
✔ Sort the user pool groups in order of preference · customer
 Do you want to add an admin queries API? No
 Multifactor authentication (MFA) user login options: OFF
 Email based user registration/forgot password: Disabled (Uses SMS/TOTP as an alternative)
 Please specify an SMS verification message: Your verification code is {####}
 Do you want to override the default password policy for this User Pool? No
 Warning: you will not be able to edit these selections. 
 What attributes are required for signing up? Phone Number (This attribute is not supported by Facebook, Login With Amazon.)
 Specify the app's refresh token expiration period (in days): 30
 Do you want to specify the user attributes this app can read and write? No
 Do you want to enable any of the following capabilities? 
 Do you want to use an OAuth flow? Yes
 What domain name prefix you want us to create for you? sample202003288ad28725-8ad28725
 Enter your redirect signin URI: https://blog.ragate.co.jp:3000/signin/
? Do you want to add another redirect signin URI No
 Enter your redirect signout URI: https://blog.ragate.co.jp:3000/signout/
? Do you want to add another redirect signout URI No
 Select the OAuth flows enabled for this project. Implicit grant
 Select the OAuth scopes enabled for this project. Phone, Email, OpenID, Profile, aws.cognito.signin.user.admin
 Select the social providers you want to configure for your user pool: 
? Do you want to configure Lambda Triggers for Cognito? No
Successfully added resource sample20200328 locally

Some next steps:
"amplify push" will build all your local backend resources and provision it in the cloud
"amplify publish" will build all your local backend and frontend resources (if you have hosting category added) and provision it in the cloud

$ amplify push
....
success !