Just tried to update Docker in the Discourse admin area. I got an error and now my site is down. I haven’t made any changes to the site recently, so I’m a little confused as to what happend. What is the best way to recover in this situation? I have automated Discourse backups saved in the cloud, sho…

Try upgrading from the console first: [image] Docker Manager: FAILED TO UPGRADE Self-hosting This is probably related to the docker manager changes that try to keep the site running more during the upgrade, which would have increased the during-upgrade RAM req…

[image] Bill: Killed I strongly suspect you ran out of memory here. Try making the instance larger or add some swap.

We are definitely seeing a number of “killed” out of memory support problems due to the latest Docker Manager changes w/r/t forking @sam .. how do you want to handle this?

[image] omarfilip: Try upgrading from the console first: Derp, I should have thought of that. I just rebuilt and my site is back up, thanks! cd /var/discourse ./launcher rebuild app [image] supermathie: I strongly suspect you ran out of memory here. Maybe so, but I’ve never had that …

Check dmesg to see if your oom-killer ran, that’ll let you know for sure.

How about we make the new upgrade behavior gated on an environment variable, set by ./discourse-setup for systems with >3GB RAM? templates/web.template.yml: env: DISCOURSE_GRACEFUL_UPGRADE: false containers/app.yml: env: # Set to true on systems with at least 3GB RAM. DISCOURSE_GRACEFUL_UPGR…

Down after Docker Update

Support Self-hosting

omarfilip November 6, 2020, 1:07am 3

Try upgrading from the console first:

Topic		Replies	Views
Docker Manager: FAILED TO UPGRADE Self-hosting docker-manager , server-resources	6	1287	November 4, 2020
2.6.0 beta 3 update failed on disk and/or memory space Self-hosting server-resources	28	2573	September 26, 2020
"Waiting for unicorn to reload", then update stops Support	30	4710	June 20, 2021
Discourse Docker Manager Plugin official , docker-manager	16	10808	August 24, 2025
An upgrade knocked my site offline; how long until it's restored? Self-hosting	15	383	July 10, 2025

Down after Docker Update

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