Hi, I run a small self-hosted forum on a 25GB cloud VM running Debian 13. I was attempting to update to 2026.6.0-latest using ./launcher rebuild app and the update cancelled because I didn’t have enough disk space. I followed the prompt to clean up Docker images, but that didn’t help. I have 3.9 GB …

It’s worth running a cleanup. Please post details of what happened. Here’s one I once did: root@ubuntu-2gb-nbg1-1:/var/discourse# df -h / Filesystem Size Used Avail Use% Mounted on /dev/sda1 19G 12G 6.5G 65% / root@ubuntu-2gb-nbg1-1:/var/discourse# ./launcher cleanup WARNING! Thi…

Hmm… have you tried ./launcher cleanup?

This is very informative, thanks. Before I try cleanup, does Discourse provide a way to verify backup integrity without doing a restore? The result of du -hx / | sort -h | tail -49 (I found -h made it easier for me to parse the results): 833M /var/lib/containerd/io.containerd.snapshotter.v1.overl…

You can save a bit by reconfiguring the journalling: [Bild] 2.6.0 beta 3 update failed on disk and/or memory space I think you can improve this with journalctl maybe with # journalctl --vacuum-size=50M I’ve never really understood the docker container management. Sometimes cleanup helps. I …

The output of ./launcher cleanup: WARNING! This will remove all stopped containers. Are you sure you want to continue? [y/N] y Total reclaimed space: 0B WARNING! This will remove all images without at least one container associated to them. Are you sure you want to continue? [y/N] y Deleted Images:…

You’ve just cleaned up two bases images leaving the local built image.

Are the base images just remnants of the original installation process? Or do they get downloaded during a rebuild app as well?

Yes. The latest image is downloaded if missing and you will build your local image from there. I can’t think of a reason why you might want to keep more than one base image …

[Bild] long_season: 2.5G /var/log/journal Still a big saving possible here.

Platzmangel - Ist das Docker-Image zu groß?

Unterstützung

NateDhaliwal (Nate Dhaliwal) 30. Mai 2026 um 02:54 2

Hmm… hast du schon ./launcher cleanup versucht?

Thema		Antworten	Aufrufe
Discourse image and installation size. Clean /var/lib/docker/overlay2? Self-hosting server-resources	10	4405	28. Juli 2021
Unable to rebuild discourse due to no space left on device Self-hosting	32	3342	19. November 2022
Discourse upgrade fails due to insufficient disk space on 25G droplet Self-hosting server-resources	38	1855	30. März 2022
Any advice on how to save space? Self-hosting server-resources	24	2031	26. Januar 2023
Cannot upgrade to latest version, disk full Self-hosting server-resources	10	722	3. Februar 2023

Platzmangel - Ist das Docker-Image zu groß?

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