When you suffer from the “API: s3:PutBucketPolicy Access Denied” error while creating a new S3 bucket, how can we resolve it?

The user encountered an error when trying to create a new Amazon S3 bucket for hosting a website. The error message indicated an “Access Denied” issue with the `s3:PutBucketPolicy` API. To resolve this, the user needs to add the `blockPublicAccess` attribute with the value `BlockPublicAccess.BLOCK_ACLS` to the CDK project configuration. By doing so, the default configuration of Amazon S3 will be updated correctly. The user provided additional links as references for more information on this topic.

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Due to changing the default configuration of Amazon S3, we need to add the blockPublicAccess attribute to the CDK project.

What error did I see?

When I tried to create a new Amazon S3 bucket for hosting a new website:

    const websiteBucket = new Bucket(this, 'SonikStaticAssets', {
      websiteIndexDocument: 'index.html',
      publicReadAccess: true,
    });

I met the following CloudFormation error.

CdkSonikAppStack: deploying... [1/1]
CdkSonikAppStack: creating CloudFormation changeset...
10:08:29 PM | CREATE_FAILED        | AWS::S3::BucketPolicy       | SonikStaticAssetsPolicy8AA45F84
API: s3:PutBucketPolicy Access Denied


 ❌  CdkSonikAppStack failed: Error: The stack named CdkSonikAppStack failed to deploy: UPDATE_ROLLBACK_COMPLETE: API: s3:PutBucketPolicy Access Denied

Add the `blockPublicAccess` attributes to resolve this issue.

To avoid this error, we need to add the blockPublicAccess: BlockPublicAccess.BLOCK_ACLS attributes.

    const websiteBucket = new Bucket(this, 'SonikStaticAssets', {
      websiteIndexDocument: 'index.html',
      publicReadAccess: true,
      blockPublicAccess: BlockPublicAccess.BLOCK_ACLS,
    });

Referenced

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