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What is Docker? (lemmy.world)
submitted 1 year ago* (last edited 1 year ago) by to c/selfhosted@lemmy.world
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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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[–] 20 points 1 year ago*

It usually comes down to privacy and independence from big tech, but there are a ton of other reasons you might want to do it. Here are some more:

  • preservation - no longer have to care if Google kills another service
  • cost - over time, Jellyfin could be cheaper than a Netflix sub
  • speed - copying data on your network is faster than to the internet
  • hobby - DIY is fun for a lot of people

For me, it's a mix of several of reasons.

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