<style>
  body {
    margin: 0;
  }
</style>

<div style="width: 100%; height: 100%" id="embedded-sandbox"></div>
<script src="https://embeddable-sandbox.cdn.apollographql.com/_latest/embeddable-sandbox.umd.production.min.js"></script>
<script>
  new window.EmbeddedSandbox({
    target: '#embedded-sandbox',
    initialEndpoint: '<%- initialEndpoint %>',
    includeCookies: true
  })
</script>
