Fix warnings on Elixir v1.19

Author: josevalim

README.md

@@ -29,6 +29,7 @@ Mix.install([{:fss, "~> 0.1.0"}])
 ## License
 
 Copyright 2023 Philip Sampaio, José Valim
+Copyright 2025 José Valim
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

lib/fss/s3.ex

@@ -123,7 +123,7 @@ defmodule FSS.S3 do
           |> normalize_config!()
           |> validate_config!()
           |> then(fn %Config{} = config ->
-            config = %Config{config | bucket: bucket}
+            config = %{config | bucket: bucket}
 
             if is_nil(config.endpoint) and not is_nil(bucket) do
               s3_host_suffix = "s3." <> config.region <> ".amazonaws.com"
@@ -136,7 +136,7 @@ defmodule FSS.S3 do
                   {"https://" <> bucket <> "." <> s3_host_suffix, nil}
                 end
 
-              %Config{config | endpoint: endpoint, bucket: bucket}
+              %{config | endpoint: endpoint, bucket: bucket}
             else
               config
             end