Setting content-type for CSS file when uploading to cloud storage (Tigris)

Phoenix Forum Questions / Help
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1

Hi guys,

so, I’m trying to upload css file to Tigris cloud storage but the file content type is always saved as application/octet-stream even if I set content_type: "text/css" when uploading file. Do you have any idea on how to handle this properly?

defp upload_css_to_cloud(source, dest) do
    bucket()
    |> ExAws.S3.put_object(dest, File.read!(source), content_type: "text/css")
    |> ExAws.request()
  end
2

Both Claude and ChatGPT 4o seem to agree on:

defp upload_css_to_cloud(source, dest) do
  bucket()
  |> ExAws.S3.put_object(
       dest,
       File.read!(source),
       headers: [{"Content-Type", "text/css"}]
     )
  |> ExAws.request()
end

Curious if that works.

3

I doesn’t unfortunately, both Claude and ChatGPT offered multiple solutions, but no matter which one I try, CSS file always ends up having application/octet-stream as a content type.

4

Can you try to see what Tigris returns?

iex> ExAws.S3.head_object(bucket(), key)
…> |> ExAws.request!()
…> |> Map.fetch!(:headers)
…> |> Map.fetch!(“content-type”)
“text/css” ?