Example of a Phoenix view helper (put in your view or in App views) that inserts a read more link

phoenix_read_more_helper_snippet.ex

  @doc """
  Inserts a link to the show path of a resource item. The
  item must implement .id.  

  ##Example

     <%= read_more_link @conn, @post %>

  """
  def read_more_link(conn, item) do
      link to: Router.Helpers.post_path(conn, :show, item.id) do
      	   "Read More"
  end