Example of an empty S3OriginConfig

cloudfront_distro.yaml

AWSTemplateFormatVersion: 2010-09-09
Resources:
  Bucket:
    Type: 'AWS::S3::Bucket'
    Properties:
      AccessControl: PublicRead
      WebsiteConfiguration:
        IndexDocument: index.html
        ErrorDocument: error.html
  Distro:
    Type: 'AWS::CloudFront::Distribution'
    Properties:
      DistributionConfig:
        Origins:
          - DomainName: !GetAtt Bucket.DomainName
            Id: foo
            S3OriginConfig: {}
        Enabled: True
        DefaultCacheBehavior:
          ForwardedValues:
            QueryString: False
          TargetOriginId: foo
          ViewerProtocolPolicy: allow-all