Capistrano upload task

upload.rake

namespace :deploy do
  task :upload do
    files = (ENV["FILES"] || "").split(",").map { |f| Dir[f.strip] }.flatten
    abort "Please specify at least one file or directory to update (via the FILES environment variable)" if files.empty?

    on release_roles :all do
      files.each { |file| upload!(file, File.join(current_path, file)) }
    end
  end
end

Add recursive: true

files.each { |file| upload!(file, File.join(current_path, file), recursive: true) }