从 2.9.0.beta8 升级导致网站崩溃，无法恢复

[JammyDodger]

此主题中还有一些关于如何手动从服务器更新的要点：

Manually update Discourse and Docker image to latest

This guide provides step-by-step instructions for manually updating Discourse, the Docker container, and the Ubuntu operating system on a self-hosted setup. Required user level: System Administrator SSH access to the server. If you self-host Discourse, you occasionally need to run a manual update via the command line to get the latest security releases newest libraries. These updates are not picked up in admin/update, which is why you’ll occasiona…

./launcher rebuild app 通常是一个不错的备选方案，如果在执行此操作时遇到任何错误，可以向上滚动阅读。