head: |
  <!-- Elastic APM RUM -->
  <script>
    ;(function(d, s, c) {
      var j = d.createElement(s),
        t = d.getElementsByTagName(s)[0]

      j.src = 'https://unpkg.com/@elastic/apm-rum/dist/bundles/elastic-apm-rum.umd.min.js'
      j.onload = function() {elasticApm.init(c)}
      t.parentNode.insertBefore(j, t)
    })(document, 'script', {serviceName: '{{serviceName}}', serverUrl: '{{serverUrl}}', environment: '{{environment}}'})
  </script>
