this post was submitted on 30 Apr 2026
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well, i dont think it's the same. docker offers an easier way to install and store this kinds of apps. for example i installed the arr stack which takes a bit of time configuring it, ive done it before but not with docker and i lost my data on reinstall, i know you can keep it but its not the same. docker stores all the dependencies there. you just docker compose up on a new system and you got the same app.
regarding flatpak, also another issue. flatpak is distro agnostic, it's not about being the shiny hype thing, but offering a solution to the linux ecosystem where devs needed to provide different package manager options. could there be another thing? yeah, but that could happen with apt too theoretically.
So, how do I use iptables to open ports for docker apps? Usually I install a thing that requires for example port 8080, and I open the port 8080. Does docker respect iptables?
this is my compose file for monbooru, ive added some comments to show you what each thing does, if you want to change the port simply change the the first 8080. all of these value:value mean that the first value is your machine, and the second one inside the container. that's it, create a folder named monbooru, create a file named docker-compose.yml, add the thing i gave you below and save it. with your terminal cd into the directory where the compose file lives and do docker compose up -d and it will download the image and it'll be runnin. believe me, i used to prefer to not use docker because i thought, ohh i have to learn to use docker, but honestly i wish i knew it was this simple long before so i wouldnt have done so many installs of some apps where i'll lose my data
Can you set up docker in a way that it does not mess with my firewall?
it will not mess with your firewall at all, you just select the port, that's it, most apps come with a predefined port but you can change it. ive had 0 issues with ports or firewalls. if you try this and need some help let me know.