{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "AllowDirectoryIndexUpdaterToReadAndWriteIndexesAndSignals",
      "Effect": "Allow",
      "Action": [
        "s3:ListBucket",
        "s3:GetObject",
        "s3:HeadObject",
        "s3:PutObject",
        "s3:DeleteObject"
      ],
      "Resource": [
        "arn:aws:s3:::YOUR_BUCKET_NAME",
        "arn:aws:s3:::YOUR_BUCKET_NAME/*"
      ]
    },
    {
      "Sid": "AllowExactAutomaticCloudFrontInvalidations",
      "Effect": "Allow",
      "Action": "cloudfront:CreateInvalidation",
      "Resource": "arn:aws:cloudfront::YOUR_AWS_ACCOUNT_ID:distribution/YOUR_DISTRIBUTION_ID"
    }
  ]
}