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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.

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What's the deal with Docker? (lemmy.zip)

submitted 8 months ago by [email protected] to c/selfhosted

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I never understood how to use Docker, what makes it so special? I would really like to use it on my Rapsberry Pi 3 Model B+ to ease the setup process of selfhosting different things.

I'm currently running these things without Docker:

Mumble server with a Discord bridge and a music bot
Maubot, a plugin-based Matrix bot
FTP server
Two Discord Music bots

All of these things are running as systemd services in the background. Should I change this? A lot of the things I'm hosting offer Docker images.

It would also be great if someone could give me a quick-start guide for Docker. Thanks in advance!

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[–] [email protected] 2 points 8 months ago

Docker of one version of software that uses Linux containers to encapsulate software and that software's dependencies, while limiting that software's access to the underlying OS. It's chroot, but for more of the system. It can make running software that has a lot of moving parts and dependencies easier. It can also improve your security running that software.

For how-tos, watch one of the 875,936 YouTube tutorials, or read one of the 3 million text tutorials. Or ask ChatGPT, if you really need hand-holding.