<html> <head> <title>Upload file</title> </head> <body> <form enctype="multipart/form-data" action="http://127.0.0.1:8080/upload" method="POST"> <input type="file" name="uploadfile" /> <input type="hidden" name="token" value="{{.}}" /> <input type="submit" value="upload" /> </form> </body> </html>