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I recently moved Nextcloud and Gitea from Containers on a Debian VM to Alpine LXCs running Alpine's packages. I've never had Nextcloud's web interface so snappy and my resource usage for both is next to 0. If you're running Proxmox I'd highly recommend trying out Alpine LXCs if they package your services.
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:
| Fewer Letters | More Letters |
|---|---|
| DNS | Domain Name Service/System |
| HTTP | Hypertext Transfer Protocol, the Web |
| IP | Internet Protocol |
| LXC | Linux Containers |
| NAS | Network-Attached Storage |
| RPi | Raspberry Pi brand of SBC |
| SBC | Single-Board Computer |
| TCP | Transmission Control Protocol, most often over IP |
| VPS | Virtual Private Server (opposed to shared hosting) |
| nginx | Popular HTTP server |
[Thread #67 for this sub, first seen 19th Aug 2023, 15:26] [FAQ] [Full list] [Contact] [Source code]
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I've found the idea of LXC containers to be better than they are in practice. I've migrated all of my servers to Proxmox and have been trying to move various services from VMs to LXC containers and it's been such a hassle. You should be able to directly forward disk block devices, but just could not get them to mount for an MinIO array - ended up just setting their entire contents to 100000:100000 and mounting them on the host and forwarding the mount point instead. Never managed to CAP_IPC_LOCK to work correctly for a HashiCorp Vault install. Docker in LXC has some serious pain points and feels very fragile.
It's damning that every time I have a problem with LXC the first search result will be a Proxmox forum topic with a Proxmox employee replying to the effect of "we recommend VMs over LXC for this use case" - Proxmox doesn't seem to recommend LXC for anything. Proxmox + LXC is definitely better than CentOS + Podman, but my heart longs for the sheer competence of FreeBSD Jails.
I've had relatively good luck with docker in containers but eventually decided to run docker in VMs as I only semi trust most docker apps and like the added security I get from having it in a full VM in full isolation. Some of the workarounds for docker in LXCs are far from security best practices.
Good news, DNS over TCP in musl has been fixed since v1.2.4 released in May https://www.openwall.com/lists/musl/2023/05/02/1
So if you use alpine >= 3.18 you should no longer have this issue.
It’s always DNS lol
As pointed out, the DNS issue was fixed, and the other point made about Python wheels has also been addressed; quite a good chunk of packages on PyPi have had a musl wheel added in the past 6 months or so, including numpy & scipy. I'm also not certain if the Go part is true; probably somewhere around half of the Go apps I'm running as a container are running or were built on an Alpine base.
Even Debian LXC are under 100meg of ram! I love LXC, it just feels good to use them.
I'm assuming you installed it directly to the container vs running docker in there?
I have been debating making the jump from docker in a VM to a container, but I've been maintaining Nextcloud in docker the entire time I've been using it and not had any issues. The interface can be a little slow at times but I'm usually not in there for long. I'm not sure it's worth it to have to essentially rearchitect mely setup for that.
All that aside, I also map an NFS share to my docker container that stores all my files on my NAS. This could be what causes the interface slowness I sometimes see, but last time I looked into it there wasn't a non hacky way to mount a share to an LXC container, has that changed?
Yes, Alpine maintains Nextcloud in their repos. I mount my NFS share to the Proxmox host (you can mount using the gui and set it to any form of storage you want) then bind mount the share folder to the LXC. I moved from docker in a VM to this LXC with no disruption to my data.
Thanks, that's awesome news to see! I'm currently in the process of tearing out pieces from a monolithic docker stack into more lightweight (and independent) CTs, and have been apprehensive about moving NextCloud.
CTs?
Container, in proxmox speak
24 MiB is too little. Not even enough for nginx/apache. What installation instructions did you follow?