# 在 "launcher rebuild app" 上使用 nginx 显示 "维护中" 页面？

**URL:** <https://meta.discourse.org/t/showing-a-under-maintenance-page-using-nginx-at-the-launcher-rebuild-app/281488>\
**Category:** Self-hosting\
**Created:** [2023年十月8日 02:34 UTC](https://meta.discourse.org/t/showing-a-under-maintenance-page-using-nginx-at-the-launcher-rebuild-app/281488 "2023-10-08T02:34:52Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Stephen](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/stephen/32/95011_2.png) [@Stephen](https://meta.discourse.org/u/Stephen)\
**Post date:** [2023年十月8日 02:40 UTC](https://meta.discourse.org/t/showing-a-under-maintenance-page-using-nginx-at-the-launcher-rebuild-app/281488/2 "2023-10-08T02:40:45Z")

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您好 @PrettyGirl

是的，有的。请看这里：

> [@Add an offline page to display when Discourse is rebuilding or starting up](https://meta.discourse.org/t/add-an-offline-page-to-display-when-discourse-is-rebuilding-or-starting-up/45238):
>
> warning This guide is intended for advanced users, who are already using nginx outside the docker container. By following this guide you make your setup more complicated and will loose some speed benefits like HTTP2 if you’re not running Ubuntu 16.04 or later. Proceed with caution! When Discourse is rebuilding or starting up, your users will usually either see an error message from their browser… [image] …or a not-so-nice 502 error message from Nginx: [image] If you’re a perfectionist l…

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