Golang io.copy twice on the request body

Question

I am building a blob storage system and i picked Go as the programming language. I create a stream to do a multipart file upload from client to the blob server.

The stre

Answer 1

We can convert the stream into string and create it again as many times we need. e.g.

readerStream := your stream from source

buf := new(bytes.Buffer)
buf.ReadFrom(readerStream)
rawBody := buf.String()

newReader1 := strings.NewReader(rawBody)
newReader2 := strings.NewReader(rawBody)

But it will be great if it can be avoided.

I am not sure it is the best approach. But it worked for me.