how to upload same name file to amazon s3 and overwrite exist file

Question

    s3.putObject({
        Bucket: bucketName,
        Key: fileName,
        Body: file,
        ACL: \'bucket-owner-full-control\'
    }, function(err, data) {
      i         


        

Answer 1

I guess you've encountered the default caching mechanism which is 24 hours, this results in not receiving the latest stored object. To override this, add parameter to putObject():

CacheControl: "no-cache" or Expires: new Date()