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How many docker containers are you running on your server? (slrpnk.net)

submitted 2 days ago* (last edited 1 day ago) by [email protected] to c/[email protected]

45 comments fedilink hide all child comments

Yo,

Wandering what the limit is when it comes to how many containers I can run. Currently I'm running around 15 containers. What happens if this is increased to say, 40? Also, can docker containers go "idle" when not being used - to save system resources?

I'm running a i7-6700k Intel cpu. Doesn't seem to be struggling at all with my current setup at least, maybe only when transcoding for Jellyfin.

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[–] sugar_in_your_tea 3 points 1 day ago (1 children)

Looks like 9? Here's what I'm currently running:

actual budget
caddy (for TLS trunking)
nextcloud and collabora
vaultwarden (currently unused)
jellyfin
home assistant

The rest are databases and other auxiliary stuff. I'm probably going to work on it some this holiday break, because I'd like to eventually move to microOS, and I still have a few things running outside of containers that I need to clean up (e.g. Samba).

But yeah, like others said, it really doesn't matter. On Linux (assuming you're not using Docker Desktop), a container is just a process. On other systems (e.g. Windows, macOS, or Linux w/ Desktop), they run in a VM, which is a bit heavier and reserves more resources for itself. I could run 1000 containers and it really wouldn't matter, as long as they're pretty light.

[–] [email protected] 1 points 1 day ago (2 children)

Been curious about deploying HA with docker. As I understand the only limitation is you can’t use add-ons?

[–] [email protected] 1 points 17 hours ago

You cannot install addons from the UI, but you can manually install them. Addons are just Docker containers that get configured automatically.

[–] sugar_in_your_tea 1 points 1 day ago

Yeah, I think so. I'm not interested in addons anyway.