Example CloudFormation template for automated Amazon Cognito Deployments

cognitoCFnExample.yaml

AWSTemplateFormatVersion: "2010-09-09"

Parameters:
  CognitoDomain:
    Type: String
    MinLength: 3
    MaxLength: 63
    AllowedPattern: ^[a-z0-9](?:[a-z0-9\-]{0,61}[a-z0-9])?$
    Description: Enter a string. Must be alpha numeric 3-63 in length.

Resources:
  UserPool:
    Type: AWS::Cognito::UserPool
    Properties:
      UsernameConfiguration: 
        CaseSensitive: false
      AutoVerifiedAttributes:
        - email
      UserPoolName: !Sub ${CognitoDomain}-user-pool
      Schema:
        - Name: email
          AttributeDataType: String
          Mutable: false
          Required: true
        - Name: name
          AttributeDataType: String
          Mutable: true
          Required: true

  UserPoolClient:
    Type: AWS::Cognito::UserPoolClient
    Properties:
      UserPoolId: !Ref UserPool
      AllowedOAuthFlowsUserPoolClient: true
      CallbackURLs:
        - http://localhost:3000
      AllowedOAuthFlows:
        - code
        - implicit
      AllowedOAuthScopes:
        - phone
        - email
        - openid
        - profile
      SupportedIdentityProviders:
        - COGNITO

  UserPoolDomain:
    Type: AWS::Cognito::UserPoolDomain
    Properties:
      Domain: !Ref CognitoDomain
      UserPoolId: !Ref UserPool
      

Outputs:
  CognitoUserPoolID:
    Value: !Ref UserPool
    Description: The UserPool ID
  CognitoAppClientID:
    Value: !Ref UserPoolClient
    Description: The app client
  HostedUIURL:
    Value: !Sub https://${CognitoDomain}.auth.us-west-2.amazoncognito.com/login?client_id=${UserPoolClient}&response_type=code&scope=email+openid+phone+profile&redirect_uri=http://localhost:3000
    Description: The hosted UI URL