Use a private bucket

lib/mix/tasks/upload_to_s3.ex

@@ -142,7 +142,7 @@ defmodule Mix.Tasks.UploadToS3 do
     {_, mime} = Mime.file(path)
     contents = File.read!(path)
 
-    S3.put_object(bucket(), uploaded_path, contents, acl: :public_read, content_type: mime)
+    S3.put_object(bucket(), uploaded_path, contents, content_type: mime)
     |> ExAws.request!()
   end
 

lib/philomena/images/thumbnailer.ex

@@ -23,8 +23,6 @@ defmodule Philomena.Images.Thumbnailer do
     tall: {1024, 4096}
   ]
 
-  @acl [acl: :public_read]
-
   def thumbnail_versions do
     @versions
   end
@@ -140,7 +138,7 @@ defmodule Philomena.Images.Thumbnailer do
       source = Path.join(source_prefix, name)
       target = Path.join(target_prefix, name)
 
-      ExAws.request(S3.put_object_copy(bucket(), target, bucket(), source, @acl))
+      ExAws.request(S3.put_object_copy(bucket(), target, bucket(), source))
       ExAws.request(S3.delete_object(bucket(), source))
     end)
   end

lib/philomena/uploader.ex

@@ -73,11 +73,11 @@ defmodule Philomena.Uploader do
   content type and permissions.
   """
   def persist_file(path, file) do
-    {_, mime} = Mime.file(path)
+    {_, mime} = Mime.file(file)
 
     file
     |> S3.Upload.stream_file()
-    |> S3.upload(bucket(), path, acl: :public_read, content_type: mime)
+    |> S3.upload(bucket(), path, content_type: mime)
     |> ExAws.request!()
   end