xxxxxxxxxx
params := &s3.PutObjectInput{
Bucket: aws.String("my-bucket"),
Key: aws.String("my-key"),
Body: myBody,
}
resp, err := uploader.Upload(context.TODO(), params, func(u *manager.Uploader) {
u.PartSize = 10 * 1024 * 1024, // 10 MiB
})