AWS CloudFormation example for S3 bucket

Typical Cloudformation for an S3 bucket with block all public access enabled:

Resources:
  S3BucketExample:
    Type: AWS::S3::Bucket
    Properties:
      BucketName: s3-bucket-name
      PublicAccessBlockConfiguration:
        BlockPublicAcls: true
        BlockPublicPolicy: true
        IgnorePublicAcls: true
        RestrictPublicBuckets: true