ActionView::Template::Error (undefined method `each' for nil:NilClass):
    10:     <th></th>
    11:   </tr>
    12:
    13: <% @posts.each do |post| %>
    14:   <tr>
    15:     <td><%= post.name %></td>
    16:     <td><%= post.title %></td>
  app/views/posts/index.html.erb:13:in `_app_views_posts_index_html_erb___532093864_33155928'