Hi guys. Is it possible to update to newer version without rebuilding the whole thing? I’m thinking of a scenario where two discourse apps are virtually identical and once I have a new image ready - off any one of the two - I could use it to deploy second discourse, having all the config/params fo…

You can build an image, push it to a repo, and then start it up using ./launcher start-cmd app to get the docker command to start up the container (but you’ll substitute your container repo for the local one). And yet, then you need to migrate the database, precompile assets, and so on. If it’s do…

Downtime is not an issue for me. Two apps I think of, would be - virtually identical - but not the same. Two apps would be different sites, meaning, different dbs, volumes, ports, names… but they would have the same - so to speak - base discourse (+ same plugins, same whatever might critical to th…

You can do that as I described. There’s also a new scheme in the works that makes it possible to use a single image and not rebuild. It’s not supported, so you’ll need to search well here or in github.

Hi & thanks. That seems to work, loading a new image and then running rake db:ensure_post_migrations db:migrate seemed to resulted in a fine & healthy new version of container without luncher rebuild - at least for 3.5.0.beta7 to 2025.11.0. That makes me - certainly not just me - thinking…. would i…

You probably also want to precompile assets

既存のイメージをそのままにアップグレードできますか？

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pfaffman (Jay Pfaffman) 2025 年 12 月 13 日午前 11:26 6

おそらくアセットをプリコンパイルしたいでしょう

トピック		返信	表示
Building the image without touching the database Self-hosting	13	2175	2023 年 9 月 17 日
How do I upgrade Discourse in a multiple container configuration? Self-hosting	3	905	2020 年 11 月 7 日
How Discourse deals with upgrades Support	4	996	2023 年 12 月 15 日
Improving pain points on bootstrap and rebuild Development	5	1969	2017 年 7 月 21 日
Can you upgrade Discourse seamlessly if there is a breaking db change? Support	14	2984	2018 年 9 月 28 日

既存のイメージをそのままにアップグレードできますか？

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