I wrecked my installation while trying to update Docker and nothing is working now. And I don’t have a backup. How to do I tell what the state of my docker and in discourse installations are and figure out how to put this back together? Is it possible to recover the data from my discourse installa…

Define “wrecked” ? Post some logs into a gist.github.com (etc) and post your docker version as well?

The link to the log is below. I tried update Discourse, but had to update Docker first. I followed the directions on meta for updating, but had some problems. http://parr.org/logs/forum_update.txt

near the end, it says Please run ./launcher rebuild again what happened then?

I just re-ran it: root@coastsider:/var/discourse# ./launcher rebuild Config file was not found, ensure containers/.yml exists Available configs ( app ) root@coastsider:/var/discourse#

I got stuck upgrading and I tried to the following: I am getting the identical message. [image] barryparr: root@coastsider:/var/discourse# ./launcher rebuild Config file was not found, ensure containers/.yml exists

That’s because the command is ./launcher rebuild app not ./launcher app rebuild

Ah, I didn’t even catch that… I’d rebuild enough times that I used the up arrow key & return to rerun the same command. Maybe instead of: Please run ./launcher rebuild again the line should be Please re-run: ./launcher rebuild app EDIT - PR Submitted

My site is back. Thank you for walking through that.

Recovering Discourse from a failed update

Product Support

Steven Juillet 2, 2016, 8:49 6

With ./launcher rebuild app wouldn’t it work ?

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I got an error after updating my forked install Self-hosting unsupported-install	35	2262	Novembre 13, 2018
Discourse upgrade via Web UI Fails & SSH Upgrade Brings Down Discourse Instance Self-hosting	16	2392	Novembre 26, 2021
./launcher rebuild app for old 1.6 discourse not working Self-hosting	12	967	Janvier 25, 2023
Error `rebuild app` broken, at the last discourse upgrade Product Support	9	414	Mai 7, 2025

Recovering Discourse from a failed update

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