Railsチュートリアル三章で rails server実行後エラー

前提・実現したいこと

Railsチュートリアル三章で
rails server実行後エラーメッセージが発生しました。
rails consoleを実行してもエラーが起きます

発生している問題・エラーメッセージ

=> Booting Puma
=> Rails 5.1.6 application starting in development 
=> Run `rails server -h` for more startup options
Exiting
/Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:327:in `check_part': Missing :controller key on routes definition, please check your routes. (ArgumentError)
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:307:in `check_controller_and_action'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:252:in `normalize_options!'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:116:in `initialize'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:69:in `new'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:69:in `build'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:1920:in `add_route'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:1892:in `decomposed_match'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:1856:in `block in map_match'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:1850:in `each'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:1850:in `map_match'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:1598:in `match'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:731:in `map_method'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:692:in `get'
	from /Users/idaryuunosuke/Documents/environment/sample_app/config/routes.rb:2:in `block in <top (required)>'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/route_set.rb:436:in `instance_exec'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/route_set.rb:436:in `eval_block'
	from /Library/Ruby/Gems/2.3.0/gems/actionpack-5.1.6/lib/action_dispatch/routing/route_set.rb:418:in `draw'
	from /Users/idaryuunosuke/Documents/environment/sample_app/config/routes.rb:1:in `<top (required)>'
	from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:286:in `load'
	from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:286:in `block in load'
	from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:258:in `load_dependency'
	from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:286:in `load'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/application/routes_reloader.rb:55:in `block in load_paths'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/application/routes_reloader.rb:55:in `each'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/application/routes_reloader.rb:55:in `load_paths'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/application/routes_reloader.rb:18:in `reload!'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/application/routes_reloader.rb:41:in `block in updater'
	from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.6/lib/active_support/file_update_checker.rb:81:in `execute'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/application/routes_reloader.rb:42:in `updater'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/application/routes_reloader.rb:31:in `execute_if_updated'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/application/finisher.rb:128:in `block in <module:Finisher>'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/initializable.rb:30:in `instance_exec'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/initializable.rb:30:in `run'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/initializable.rb:59:in `block in run_initializers'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:228:in `block in tsort_each'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:431:in `each_strongly_connected_component_from'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:349:in `block in each_strongly_connected_component'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:347:in `each'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:347:in `call'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:347:in `each_strongly_connected_component'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:226:in `tsort_each'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:205:in `tsort_each'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/initializable.rb:58:in `run_initializers'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/application.rb:353:in `initialize!'
	from /Users/idaryuunosuke/Documents/environment/sample_app/config/environment.rb:5:in `<top (required)>'
	from config.ru:3:in `require_relative'
	from config.ru:3:in `block in <main>'
	from /Library/Ruby/Gems/2.3.0/gems/rack-2.0.6/lib/rack/builder.rb:55:in `instance_eval'
	from /Library/Ruby/Gems/2.3.0/gems/rack-2.0.6/lib/rack/builder.rb:55:in `initialize'
	from config.ru:in `new'
	from config.ru:in `<main>'
	from /Library/Ruby/Gems/2.3.0/gems/rack-2.0.6/lib/rack/builder.rb:49:in `eval'
	from /Library/Ruby/Gems/2.3.0/gems/rack-2.0.6/lib/rack/builder.rb:49:in `new_from_string'
	from /Library/Ruby/Gems/2.3.0/gems/rack-2.0.6/lib/rack/builder.rb:40:in `parse_file'
	from /Library/Ruby/Gems/2.3.0/gems/rack-2.0.6/lib/rack/server.rb:319:in `build_app_and_options_from_config'
	from /Library/Ruby/Gems/2.3.0/gems/rack-2.0.6/lib/rack/server.rb:219:in `app'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:24:in `app'
	from /Library/Ruby/Gems/2.3.0/gems/rack-2.0.6/lib/rack/server.rb:354:in `wrapped_app'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:80:in `log_to_stdout'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:42:in `start'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:135:in `block in perform'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:130:in `tap'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:130:in `perform'
	from /Library/Ruby/Gems/2.3.0/gems/thor-0.20.3/lib/thor/command.rb:27:in `run'
	from /Library/Ruby/Gems/2.3.0/gems/thor-0.20.3/lib/thor/invocation.rb:126:in `invoke_command'
	from /Library/Ruby/Gems/2.3.0/gems/thor-0.20.3/lib/thor.rb:387:in `dispatch'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/command/base.rb:63:in `perform'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/command.rb:44:in `invoke'
	from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.6/lib/rails/commands.rb:16:in `<top (required)>'
	from /Users/idaryuunosuke/Documents/environment/sample_app/bin/rails:9:in `require'
	from /Users/idaryuunosuke/Documents/environment/sample_app/bin/rails:9:in `<top (required)>'
	from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/client/rails.rb:28:in `load'
	from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/client/rails.rb:28:in `call'
	from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/client/command.rb:7:in `call'
	from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/client.rb:30:in `run'
	from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/bin/spring:49:in `<top (required)>'
	from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/binstub.rb:31:in `load'
	from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/binstub.rb:31:in `<top (required)>'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:68:in `require'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:68:in `require'
	from /Users/idaryuunosuke/Documents/environment/sample_app/bin/spring:15:in `<top (required)>'
	from bin/rails:3:in `load'
	from bin/rails:3:in `<main>'``



### 試したこと
rails serverとrails consoleで検索したが対処方がわからなかった。

ここに問題に対して試したことを記載してください。

### 補足情報（FW/ツールのバージョンなど）

ここにより詳細な情報を記載してください。