Railsでresources指定でRouting Error

前提・実現したいこと

Railsで簡単なblogAppの写経中にeditからupadateに送信時にrouting errorが起こりました。

https://ruby-rails.hatenadiary.com/entry/20140813/1407915718

発生している問題・エラーメッセージ

Routing Error
No route matches [PATCH] "/posts.1"
Rails.root: /Users/xxxxx/workz/blog

Application Trace | Framework Trace | Full Trace
Routes
Routes match in priority from top to bottom

該当のソースコード

#####routes.rb

ruby
1Rails.application.routes.draw do
2
3  resources :posts
4
5  root 'welcome#index'
6
7end

#####rake routes

                  Prefix Verb   URI Pattern                                                                              Controller#Action
                    posts GET    /posts(.:format)                                                                         posts#index
                          POST   /posts(.:format)                                                                         posts#create
                 new_post GET    /posts/new(.:format)                                                                     posts#new
                edit_post GET    /posts/:id/edit(.:format)                                                                posts#edit
                     post GET    /posts/:id(.:format)                                                                     posts#show
                          PATCH  /posts/:id(.:format)                                                                     posts#update
                          PUT    /posts/:id(.:format)                                                                     posts#update
                          DELETE /posts/:id(.:format)                                                                     posts#destroy
                     root GET    /                                                                                        welcome#index
       rails_service_blob GET    /rails/active_storage/blobs/:signed_id/*filename(.:format)                               active_storage/blobs#show
rails_blob_representation GET    /rails/active_storage/representations/:signed_blob_id/:variation_key/*filename(.:format) active_storage/representations#show
       rails_disk_service GET    /rails/active_storage/disk/:encoded_key/*filename(.:format)                              active_storage/disk#show
update_rails_disk_service PUT    /rails/active_storage/disk/:encoded_token(.:format)                                      active_storage/disk#update
     rails_direct_uploads POST   /rails/active_storage/direct_uploads(.:format)                                           active_storage/direct_uploads#create

#####posts_controller.rb

class PostsController < ApplicationController

def index
  @posts = Post.all
end

def new
  @post = Post.new
end

def show
  @post = Post.find(params[:id])
end

def edit
  @post = Post.find(params[:id])
end

def create
  @post = Post.new(post_params)
  if @post.save
    redirect_to @post
  else
    render :new, status: :unprocessable_entity
  end
end

def update
  @post = Post.find(params[:id])
  if @post.update(post_params)
      redirect_to @post
    else
      render :edit, status: :unprocessable_entity
    end
end

def destroy
end

private
def post_params
  params.require(:post).permit(:title, :text)
end

end

#####edit.html.erb

<h1>投稿を更新</h1>
<%= form_for :post, url: posts_path, method: :patch do |f| %>
  <% if @post.errors.any? %>
    <div id="error_explanation">
      <h2><%= @post.errors.count %>件のエラーが発生したため保存ができませんでした。</h2>
      <ul>
      <% @post.errors.full_messages.each do |msg| %>
        <li><%= msg %></li>
      <% end %>
      </ul>
    </div>
  <% end %>

  <p>
    <%= f.label :title, "タイトル" %><br>
    <%= f.text_field :title %>
  </p>

  <p>
    <%= f.label :text, "内容" %><br>
    <%= f.text_area :text, cols: 60, rows: 8 %>
  </p>

  <p>
    <%= f.submit %>
  </p>
<% end %>

<%= link_to '戻る', posts_path %>