upload

# File activestorage/lib/active_storage/service/azure_storage_service.rb, line 20
    def upload(key, io, checksum: nil, **)
      instrument :upload, key: key, checksum: checksum do
        handle_errors do
          blobs.create_block_blob(container, key, IO.try_convert(io) || io, content_md5: checksum)
        end
      end
    end