rails_profiling_config.rb

  if ENV['PROFILE']
    config.cache_classes = true
    config.eager_load = true

    config.logger = ActiveSupport::Logger.new(STDOUT)
    config.log_level = :info

    config.public_file_server.enabled = true
    config.public_file_server.headers = {
      'Cache-Control' => 'max-age=315360000, public',
      'Expires' => 'Thu, 31 Dec 2037 23:55:55 GMT'
    }
    config.assets.js_compressor = :uglifier
    config.assets.css_compressor = :sass
    config.assets.compile = false
    config.assets.digest = true
    config.assets.debug = false

    config.active_record.migration_error = false
    config.active_record.verbose_query_logs = false
    config.action_view.cache_template_loading = true
  end