fix: amazon S3 public access as an env variable

Author: moustachu

config/secrets.yml

@@ -88,6 +88,7 @@ storage_default: &storage_default
     secret_access_key: <%= ENV["AWS_SECRET_ACCESS_KEY"] %>
     region: <%= ENV["AWS_REGION"] %>
     bucket: <%= ENV["AWS_BUCKET"] %>
+    public: <%= Decidim::Env.new("AWS_S3_PUBLIC_ACCESS").to_boolean_string %>
   amazon_instance_profile:
     region: <%= ENV["AWS_REGION"] %>
     bucket: <%= ENV["AWS_BUCKET"] %>

config/storage.yml

@@ -8,7 +8,7 @@ local:
 
 amazon:
   service: S3
-  public: true
+  public: <%= Rails.application.secrets.dig(:storage, :amazon, :public) %>
   region: <%= Rails.application.secrets.dig(:storage, :amazon, :region) %>
   bucket: <%= Rails.application.secrets.dig(:amazon, :bucket) %>
   access_key_id: <%= Rails.application.secrets.dig(:storage, :amazon, :access_key_id) %>