If your file out code is above your original code snippet so you have
something like:
https://play.golang.org/p/5MVxJamHy4c
Then one of the problems is the file pointer of "out" points to the end
of your file not the beginning.
If you don't need the file on disk then something like the follow
err = out.Close()
if err != nil {
fmt.Println(err)
}
When I add this code after the io.Copy line, it gives me this error
(attached screenshot to the email). It says upload multipart failed, failed
to compute body hashes, and file already closed. I moved both the
file.Close() and out.Close() li
You seem to ignore the error from out.Close()
What is out.Close reporting after the io.Copy?
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Hi,
If I set Body to the out file itself, an item with the name of the outfile
is uploaded to the S3 bucket, but that item is 0 bytes in size and when I
click on it in S3 it doesn't appear, whereas with the buffer stuff, the
image size in bytes is correct, but a black square shows up. This is h
It's not clear what the type of "out" is, other than it has Stat() and
Read([]byte) methods, but, assuming it's an io.Reader at least, if you
examine the return values from Read, like:
n, err := out.Read(buffer)
you may get a clue to what's going wrong, for example n might not be the
full size
