- bugsnag_js_key = ENV['BUGSNAG_JS_KEY'] || ENV['BUGSNAG_API_KEY'] - if bugsnag_js_key.present? %script{src: "//d2wy8f7a9ursnm.cloudfront.net/v7/bugsnag.min.js"} :javascript Bugsnag.start({ apiKey: "#{bugsnag_js_key}", releaseStage: "#{Rails.env}" })