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What is Docker? (lemmy.world)
submitted 1 year ago* (last edited 1 year ago) by Jofus@lemmy.world to c/selfhosted@lemmy.world

Hi! Im new to self hosting. Currently i am running a Jellyfin server on an old laptop. I am very curious to host other things in the future like immich or other services. I see a lot of mention of a program called docker.

search this on The internet I am still Not very clear what it does.

Could someone explain this to me like im stupid? What does it do and why would I need it?

Also what are other services that might be interesting to self host in The future?

Many thanks!

EDIT: Wow! thanks for all the detailed and super quick replies! I've been reading all the comments here and am concluding that (even though I am currently running only one service) it might be interesting to start using Docker to run all (future) services seperately on the server!

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[-] irmadlad@lemmy.world 12 points 1 year ago

Anyway, what I wanted to know is why do people self host?

Wow. That's a whole separate thread on it's on. I selfhost a lot of my services because I am a staunch privacy advocate, and I really have a problem with corporations using my data to further bolster their profit margins without giving me due compensation. I also self host because I love to tinker and learn. The learning aspect is something I really get in to. At my age it is good to keep the brain active and so I self host, create bonsai, garden, etc. I've always been into technology from the early days of thumbing through Pop Sci and Pop Mech magazines, which evolved into thumbing through Byte mags.

We should probably make a poll thread here, it could be pretty interesting to see everyone's primary and secondary motivations.

this post was submitted on 28 Apr 2025
269 points (95.6% liked)

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