weiro/views/posts/edit.html

<main class="flex-grow-1 position-relative">
  <form action="/sites/{{.site.ID}}/posts" method="post" class="container-fluid post-form p-2">
    <input type="hidden" name="guid" value="{{ .post.GUID }}">
    <div class="mb-2">
      <input type="text" name="title" class="form-control" placeholder="Title" value="{{ .post.Title }}">
    </div>
    <div>
      <textarea name="body" class="form-control" rows="3">{{.post.Body}}</textarea>
    </div>
    <div>
      <input type="submit" class="btn btn-primary mt-2" value="Publish">
    </div>
  </form>
</main>