Hi. I’m searching for a solution that don’t make me rebuild my Discourse when I install a new plugin, which cause a long downtime. On some forum scripts (like PHPBB, FluxBB, etc…), we can install a plugin without causing a downtime. I’m also looking for a solution to set a message when the users …

It’s really not possible to install a plugin without rebuilding afaik. [图片] Sir_Reyowski: I’m also looking for a solution to set a message when the users visits my rebuilding Discourse who says that the forum is currently in maintainance (instead of the web browser error). This can be done b…

The solution is to use a two-container install. This will let you build a new image while the old one keeps running. The amount of downtime is just what it takes to shutdown the old container and start the new one.

Thanks, I will follow your solution.

A more advanced version can include a load balancer in front of the application container(s) to reduce downtime to a bare minimum right?

Yes, I’ve experimented with having HAproxy in front of two containers, so it should be possible to leave the old server running, crank up the new one, shut down the old one with no downtime. I’ve not yet gotten it working correctly, however.

Can you tell me what kind of issues you had?

I’ll need to crank it up again and document it. It’ll take a while to figure it out again. :frowning:

Sorry for necro, but this post appears high in Google and I had the same “problem”. It requires fooling around in the docker container, so I’d not recommend doing this on production if you don’t know what you are doing. Steps after sshing into your server: YOU’RE DOING UNSUPPORTED STUFF, NO WARRAN…

Cześć! You’re most probably looking for this: [图片] Benefits of running discourse in separate containers for data and web hosting Per Advanced Troubleshooting with Docker , the database is actually stored outside the container(s). AFAIK the main advantage of separating con…

You can also sv restart unicorn Inside the container, which is a tiny bit faster than restarting the container. Also, for Some plugins you’d need to migrate the database.

如何在不重新构建的情况下安装插件（或设置维护消息）

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itsbhanusharma (Bhanu Sharma) 2018 年5 月 30 日 14:14 2

It’s really not possible to install a plugin without rebuilding afaik.

This can be done by setting up an offline page while rebuilding here is a guide:

话题		回复	浏览量
The site is offline when installing the plugin Self-hosting	15	559	2024 年3 月 3 日
Ability to install and uninstall plugins directly from Admin GUI Feature	15	1852	2020 年9 月 20 日
Maintenance page while docker takes time to rebuilt Self-hosting	4	701	2023 年4 月 3 日
High Availability Self-hosting	11	2347	2023 年7 月 15 日
"Currenting updating forum" during rebuild Support	6	667	2022 年12 月 21 日

如何在不重新构建的情况下安装插件（或设置维护消息）

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