AWS Amplify Individual website for each account

To automate the deployment of an AWS Amplify app with the same source code into different AWS accounts, you can follow these steps:

Set up a central GitHub repository: Ensure that your Amplify app's source code is hosted in a central GitHub repository that can be accessed by all the target AWS accounts.

Create an AWS Amplify app in each target account: For each of the 50 AWS accounts, create a new Amplify app in the AWS Amplify console. You can do this manually or automate the process using AWS CloudFormation or the AWS CLI.

Configure the Amplify app for each account: For each Amplify app, configure the following settings:
    Connect the app to the central GitHub repository.
    Set the branch you want to deploy (e.g., main).
    Configure the build settings, such as the build environment and the build command.

Automate the deployment process: To automate the deployment process, you can use AWS CodePipeline or a combination of AWS Lambda and AWS CloudWatch Events.

    AWS CodePipeline: Create a CodePipeline pipeline in each target AWS account that will automatically deploy the Amplify app whenever a change is pushed to the central GitHub repository. You can use the AWS Amplify Console as the source and the Amplify app as the deployment target.

    AWS Lambda and AWS CloudWatch Events: Create an AWS Lambda function that can be triggered by a CloudWatch Event whenever a change is pushed to the central GitHub repository. The Lambda function can then use the AWS Amplify SDK to programmatically deploy the Amplify app in each target AWS account.

    Leverage AWS Organizations: If you're managing these 50 AWS accounts through AWS Organizations, you can leverage the cross-account capabilities of AWS Organizations to simplify the deployment process. You can create a single CodePipeline or Lambda function in the management account and have it deploy the Amplify app to all the member accounts.

Manage IAM permissions: Ensure that the IAM roles or users used by the deployment process (CodePipeline or Lambda) have the necessary permissions to create and manage Amplify apps in the target AWS accounts. You can use IAM roles with cross-account access to achieve this.