Using PiHole+Unbound and NextCloud in Docker / Port 80 conflict (feddit.org)

submitted 2 days ago by sp3ctre@feddit.org to c/docker@programming.dev

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Hey guys!

I want to take the next step in selfhosting and it seems that docker is something I need for my projects.

I am running a Raspberry Pi 5 (16GB) with pihole+unbound and I want to install NextCloud as well. The problem is: NextCloud and PiHole both want to use port 80, which conflicts.

So, I probably need to remap the ports with docker. I already saw some videos and read some instructions, but so far I had no success setting it up. It's pretty confusing, with no docker-experience.

How do you handle this issue? Maybe I just need a little push in the right direction.

~sp3ctre

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[-] sp3ctre@feddit.org 1 points 2 days ago* (last edited 2 days ago)

Sounds great!

Can you provide your compose-file? I feel like I need a correct and up-to-date setup to properly understand it.

Is PiHole, Unbound and NextCloud running in the same compose file and are you using different networks in it?

[-] HumbleBragger@piefed.social 1 points 2 days ago

Actually I don't have unbound and runs directly in my pi2 so I just have a nextcloud in a compose file that's been running for 3 years. But the issue seems to be with docker port mapping. You just have to remember to use different port mapping to the same 80 port they need and you should be good.

[-] infeeeee@lemmy.zip 1 points 2 days ago

I use this community maintained version, they have a very detailed description and an example compose: https://github.com/nextcloud/docker#base-version---apache

this post was submitted on 29 May 2026

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