if ['application', 'sidekiq', 'whenever'].include? node[:opsworks][:instance][:layers].first
    rails_env = new_resource.environment["RAILS_ENV"]
    shared_path = "#{new_resource.deploy_to}/shared"

    # key is rails app path, value is shared directory path
    directories = {
                    'public/assets' => 'assets',
                    'tmp/cache' => 'tmp/cache'
                  }

    # creating directories and symlinking
    directories.each do |_release_path, _shared_path|
      directory "#{shared_path}/#{_shared_path}" do
        mode 0770
        action :create
        recursive true
        not_if do
          Dir.exists?("#{shared_path}/#{_shared_path}")
        end
      end

      link "#{release_path}/#{_release_path}" do
        to "#{shared_path}/#{_shared_path}"
      end
    end

    if node[:opsworks][:instance][:layers].first.eql?('application')
      # precompile assets into public/assets (which is symlinked to shared assets folder)
      # execute "rake assets:precompile" do
      #   cwd release_path
      #   command "bundle exec rake assets:precompile --trace"
      #   environment 'RAILS_ENV' => rails_env
      # end

      #migrations
      master_node = node[:opsworks][:layers]["application"][:instances].keys.sort.first  if node[:opsworks][:layers] && node[:opsworks][:layers]["application"] && node[:opsworks][:layers]["application"][:instances]
      if master_node && node[:opsworks][:instance][:hostname].include?(master_node)
        execute "rake db:migrate" do
          cwd release_path
          command "bundle exec rake db:migrate --trace"
          environment 'RAILS_ENV' => rails_env
        end
      end
    end

end