Ruby on Railsチュートリアル7.3.2にて、No route matches [GET] "/user/new"エラーが出る。

前提

Ruby on Railsチュートリアルでエラーの解決ができなくて困ってます。
AWSのcloud9を利用しています。
railsサーバーを開き、/signupの画面で送信ボタンを押すとこのエラーが表示されます。
分かりにくくなってしまいすみません。

実現したいこと

エラーを解決したいです。

発生している問題・エラーメッセージ

ActionController::RoutingError (No route matches [POST] "/users/new"):
  
actionpack (6.0.4) lib/action_dispatch/middleware/debug_exceptions.rb:36:in `call'
web-console (4.0.1) lib/web_console/middleware.rb:132:in `call_app'
web-console (4.0.1) lib/web_console/middleware.rb:19:in `block in call'
web-console (4.0.1) lib/web_console/middleware.rb:17:in `catch'
web-console (4.0.1) lib/web_console/middleware.rb:17:in `call'
actionpack (6.0.4) lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
railties (6.0.4) lib/rails/rack/logger.rb:37:in `call_app'
railties (6.0.4) lib/rails/rack/logger.rb:26:in `block in call'
activesupport (6.0.4) lib/active_support/tagged_logging.rb:80:in `block in tagged'
activesupport (6.0.4) lib/active_support/tagged_logging.rb:28:in `tagged'
activesupport (6.0.4) lib/active_support/tagged_logging.rb:80:in `tagged'
railties (6.0.4) lib/rails/rack/logger.rb:26:in `call'
sprockets-rails (3.4.2) lib/sprockets/rails/quiet_assets.rb:13:in `call'
actionpack (6.0.4) lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
actionpack (6.0.4) lib/action_dispatch/middleware/request_id.rb:27:in `call'
rack (2.2.3) lib/rack/method_override.rb:24:in `call'
rack (2.2.3) lib/rack/runtime.rb:22:in `call'
activesupport (6.0.4) lib/active_support/cache/strategy/local_cache_middleware.rb:29:in `call'
actionpack (6.0.4) lib/action_dispatch/middleware/executor.rb:14:in `call'
actionpack (6.0.4) lib/action_dispatch/middleware/static.rb:126:in `call'
rack (2.2.3) lib/rack/sendfile.rb:110:in `call'
actionpack (6.0.4) lib/action_dispatch/middleware/host_authorization.rb:76:in `call'
webpacker (4.0.7) lib/webpacker/dev_server_proxy.rb:29:in `perform_request'
rack-proxy (0.7.2) lib/rack/proxy.rb:67:in `call'
railties (6.0.4) lib/rails/engine.rb:527:in `call'
puma (4.3.6) lib/puma/configuration.rb:228:in `call'
puma (4.3.6) lib/puma/server.rb:713:in `handle_request'
puma (4.3.6) lib/puma/server.rb:472:in `process_client'
puma (4.3.6) lib/puma/server.rb:328:in `block in run'
puma (4.3.6) lib/puma/thread_pool.rb:134:in `block in spawn_thread'

該当のソースコード

まだ学習中でどこが該当コードなのかわかっていないので、自分でそうだと思うところを記載します。教えていただけると助かります。

Ruby
Rails.application.routes.draw do
  get 'users/new'
  root 'static_pages#home'
  get  '/help',    to: 'static_pages#help'
  get  '/about',   to: 'static_pages#about'
  get  '/contact', to: 'static_pages#contact'
  get  '/signup',  to: 'users#new'
  resources :users
end

Ruby
module UsersHelper

  # 引数で与えられたユーザーのGravatar画像を返す
  def gravatar_for(user, size: 80)
    gravatar_id = Digest::MD5::hexdigest(user.email.downcase)
    gravatar_url = "https://secure.gravatar.com/avatar/#{gravatar_id}?s=#{size}"
    image_tag(gravatar_url, alt: user.name, class: "gravatar")
  end
end

Ruby
class UsersController < ApplicationController

  def show
    @user = User.find(params[:id])
  end
  
  def new
    @User = User.new
  end
  
  def create
    @user = User.new(user_params)
    if @user.save
      # 保存の成功をここで扱う。
    else
      render 'new'
    end
  end

  private

    def user_params
      params.require(:user).permit(:name, :email, :password,
                                   :password_confirmation)
    end
end

Ruby
<% provide(:title, 'Sign up') %>
<h1>Sign up</h1>

<div class="row">
  <div class="col-md-6 col-md-offset-3">
    <%= form_with(model: @user, local: true) do |f| %>
      <%= f.label :name %>
      <%= f.text_field :name %>

      <%= f.label :email %>
      <%= f.email_field :email %>

      <%= f.label :password %>
      <%= f.password_field :password %>

      <%= f.label :password_confirmation, "Confirmation" %>
      <%= f.password_field :password_confirmation %>

      <%= f.submit "Create my account", class: "btn btn-primary" %>
    <% end %>
  </div>
</div>

Ruby
<% provide(:title, @user.name) %>
<div class="row">
  <aside class="col-md-4">
    <section class="user_info">
      <h1>
        <%= gravatar_for @user %>
        <%= @user.name %>
      </h1>
    </section>
  </aside>
</div>