即使这是我放在 app.yml 文件中的更改，我也需要运行它吗？我以为它在那里是为了在重建期间自动推送文件？
刚试了一下。它的输出是：
root@talk-app:/var/www/discourse# rake s3:upload_assets
Installing CORS rules...
skipping
Skipping: assets/logo-single-3f9a3693.png
Skipping: assets/favicon-7e45025e.ico
Skipping: assets/logo-single-dev-0d38377d.png
Skipping: assets/push-notifications/posted-e02e1c60.png
Skipping: assets/push-notifications/watching_first_post-e02e1c60.png
Skipping: assets/push-notifications/README-d49cc975.md
(一大长串...)
Skipping: assets/plugins/footnote_extra-95ffab71.gz.js