Why do you
POST? Your code works for
What I find strange is that your deployment and my deployment return files that have different file types. Your original code as deployed on my VPS produces a file that is identified as
Microsoft OOXML. But the file returned by your deployment is identified as
Microsoft Excel 2007+.
How did you build the binary you run on your VPS? Did you build it locally and copied it to the VPS? Or did you build it on the VPS using Go there?