this post was submitted on 29 May 2026
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Using PiHole+Unbound and NextCloud in Docker / Port 80 conflict (feddit.org)
submitted 2 weeks 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 0 points 2 weeks ago* (last edited 2 weeks 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?