title: How to update S3 bucket with expire date using AWS CLI
body: <p>I would like to update the S3 bucket with the new content(create a folder within a bucket). What is the <code>--expires</code> date format. I didn't find any examples using <code>AWS CLI</code> on google. Can someone please help me on this  thing?   </p>
  
  <p>Something like this:</p>
  
  <pre><code>aws s3 sync $backup_home s3://backup/$app-backup/$app-$DATE --expires '$DATE'
  </code></pre>