this post was submitted on 27 Jun 2026
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Oh, I use caddy too. What gave you trouble?
It’s been a few weeks since I’ve tinkered with it but I plan on pulling it up today. If I remember right, it works fine if I launch it as a singular container by itself, but if I launch it inside a container with multiple apps, it says the ports are in use. I verified that no other app is using the ports. I checked in the CLI and it says containers is using the port. Very weird.
Following tutorials and researching online had been helpful by my NAS uses QNAP’s QTS operating system. It locks you out of many basic functions. I can’t install apps outside of its App Store unless it’s in a docker container, for example.
Many command line functions have also been removed so when I’m troubleshooting or looking for alternate fixes, I’m blocked out.
You nas doesn't support docker compose? Its kind of the only reason why you'd want to have several processes on the same container.
Ps.: can you ssh in?
I can use docker compose. I need them on the same container so they can see the other apps exist and direct traffic there. Or that I as my understanding.
I tried setting up Caddy on a separate container as Jellyfin but that didn’t work.
That's only by default, since all apps in a container share a network. I got this working with my *arr stack using multiple containers by manually creating a shared network in the console, then adding that network to each compose file. Works like a dream.
Would a docker-compose.yaml like this one work? https://privatebin.net/?1d1d30a1e92a974a#JDwvxcmJyjwmhir4YFvVrRGhn7fUJNqgTbrmgBYe1etC I just basically ripped that off my working setup. This sets up two containers that can see each other