server-rendering

class PostsController < ApplicationController
  def new
    @post = Post.new
  end

  def create

class CommentsController < ApplicationController
  before_action :set_post

  def create
    @comment = @post.comments.build(comment_params)

<div class="layout" data-controller="viewport">
  <%= turbo_frame_tag "master", class: "master-pane" do %>
    <h1>Products</h1>
    <ul class="product-list">
      <% @products.each do |product| %>
        <li>