rails チュートリアル2週目~ヘルスケアwebサービスを自分で作る医者の日記~

2章最後でつまづく

```
We're sorry, but something went wrong.
If you are the application owner check the logs for more information.
```
```
heroku run rails db:migrate
```
するもだめ

ログ確認すると
```
2020-02-04T11:59:16.635000+00:00 heroku[router]: at=info method=GET path="/" host=hidden-ravine-49191.herokuapp.com request_id=309bfa62-5483-4e2d-84c9-2e306989f7d0 fwd="118.109.109.117" dyno=web.1 connect=0ms service=13ms status=500 bytes=1827 protocol=https
2020-02-04T11:59:16.622565+00:00 app[web.1]: I, [2020-02-04T11:59:16.622454 #4]  INFO -- : [309bfa62-5483-4e2d-84c9-2e306989f7d0] Started GET "/" for 118.109.109.117 at 2020-02-04 11:59:16 +0000
2020-02-04T11:59:16.623211+00:00 app[web.1]: I, [2020-02-04T11:59:16.623135 #4]  INFO -- : [309bfa62-5483-4e2d-84c9-2e306989f7d0] Processing by UsersController#index as HTML
2020-02-04T11:59:16.623867+00:00 app[web.1]: I, [2020-02-04T11:59:16.623790 #4]  INFO -- : [309bfa62-5483-4e2d-84c9-2e306989f7d0]   Rendering users/index.html.erb within layouts/application
2020-02-04T11:59:16.628739+00:00 app[web.1]: D, [2020-02-04T11:59:16.628649 #4] DEBUG -- : [309bfa62-5483-4e2d-84c9-2e306989f7d0]   User Load (1.4ms)  SELECT "users".* FROM "users"
2020-02-04T11:59:16.629812+00:00 app[web.1]: I, [2020-02-04T11:59:16.629733 #4]  INFO -- : [309bfa62-5483-4e2d-84c9-2e306989f7d0]   Rendered users/index.html.erb within layouts/application (5.8ms)
2020-02-04T11:59:16.630567+00:00 app[web.1]: I, [2020-02-04T11:59:16.630487 #4]  INFO -- : [309bfa62-5483-4e2d-84c9-2e306989f7d0] Completed 500 Internal Server Error in 7ms (ActiveRecord: 1.4ms)
2020-02-04T11:59:16.631974+00:00 app[web.1]: F, [2020-02-04T11:59:16.631894 #4] FATAL -- : [309bfa62-5483-4e2d-84c9-2e306989f7d0]
2020-02-04T11:59:16.632530+00:00 app[web.1]: F, [2020-02-04T11:59:16.632446 #4] FATAL -- : [309bfa62-5483-4e2d-84c9-2e306989f7d0] ActionView::Template::Error (PG::UndefinedTable: ERROR:  relation "users" does not exist
2020-02-04T11:59:16.632535+00:00 app[web.1]: LINE 1: SELECT "users".* FROM "users"
2020-02-04T11:59:16.632538+00:00 app[web.1]: ^
2020-02-04T11:59:16.632541+00:00 app[web.1]: : SELECT "users".* FROM "users"):
2020-02-04T11:59:16.632798+00:00 app[web.1]: F, [2020-02-04T11:59:16.632721 #4] FATAL -- : [309bfa62-5483-4e2d-84c9-2e306989f7d0]     12:   </thead>
2020-02-04T11:59:16.632801+00:00 app[web.1]: [309bfa62-5483-4e2d-84c9-2e306989f7d0]     13:
2020-02-04T11:59:16.632804+00:00 app[web.1]: [309bfa62-5483-4e2d-84c9-2e306989f7d0]     14:   <tbody>
2020-02-04T11:59:16.632807+00:00 app[web.1]: [309bfa62-5483-4e2d-84c9-2e306989f7d0]     15:     <% @users.each do |user| %>
2020-02-04T11:59:16.632810+00:00 app[web.1]: [309bfa62-5483-4e2d-84c9-2e306989f7d0]     16:       <tr>
2020-02-04T11:59:16.632812+00:00 app[web.1]: [309bfa62-5483-4e2d-84c9-2e306989f7d0]     17:         <td><%= user.name %></td>
2020-02-04T11:59:16.632814+00:00 app[web.1]: [309bfa62-5483-4e2d-84c9-2e306989f7d0]     18:         <td><%= user.email %></td>
2020-02-04T11:59:16.632921+00:00 app[web.1]: F, [2020-02-04T11:59:16.632847 #4] FATAL -- : [309bfa62-5483-4e2d-84c9-2e306989f7d0]
2020-02-04T11:59:16.633036+00:00 app[web.1]: F, [2020-02-04T11:59:16.632965 #4] FATAL -- : [309bfa62-5483-4e2d-84c9-2e306989f7d0] app/views/users/index.html.erb:15:in `_app_views_users_index_html_erb__912488948079837038_47098446139840'
^C
```
よくわからない。

とりあえず3章へいく