how to upload same name file to amazon s3 and overwrite exist file : <pre><code>    s3.putObject({
        Bucket: bucketName,
        Key: fileName,
        Body: file,
        ACL: 'bucket-owner-full-control'
    }, function(err, data) {
      if (err) {
        console.log(err);
      }
      console.log(data)
    });
</code></pre>

<p>I use this code to upload image to server amazon s3 . But I can't upload a same name file (this name exist on server s3 already ) . How can I upload same name file , and overwrite which exist on server s3 . Thanks for any help :) </p>
