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@lonk I basically got this working already, there are only a few changes required to make the base system work. That is very minor and has more to do with Ubuntu setup rather than our code base.
However the main reason we have not pursued this further is, that in order to support arm (arm64 to be precise), we have to rebuild all addon docker images for a start and patch up the code which creates addon container accordingly with different image tags and even once that is done, we then have to rebuild all app packages for arm as well, which means a lot of testing and potentially fixing apps upstream. This is a lot of work and this has to be done and tested for every app package update of course.
To give one simple example, any app using the go language, where we take the release builds, has to get some logic or separate Dockerfile to deal with arm.
I do think it is worth it in the long run to support arm, also because VPS provider start adding arm options and at least the raspberrypi 400 showed okish performance while I was doing the proof-of-concept, however we will need a different way to build packages and run the selenium tests for both architectures reliably. This is currently done manually by us due to the lack of such CI/CD pipelines in place.
So all this is certainly doable but unless we see higher demand, it is hard to justify the extra work and for the time being essentially at least double the work per app update.
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@nebulon Well, that sounds to me like like not much work needs to be done, I'll do some PoC stuff myself and see the difficulty of converting the app. Docker is supposed to support multi arch so it's a matter of getting all the developer's to support multi arch upstream. So, I'll start submitting tickets for those things. Thanks for telling me where you were at, do you have your POC up anywhere yet?
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@nebulon said in Cloudron on a Raspberry pi?:
To give one simple example, any app using the go language, where we take the release builds, has to get some logic or separate Dockerfile to deal with arm.
I have some experience with this and have set up my own multi-arch go build pipelines using a single Dockerfile for some of my other apps: minitor-go, dockron, tag-checker, and for Python ones too: original minitor.
Here's a sample repo demonstrating my process: multiarch-pipeline-test. It's easier these days if your server has
docker buildxthough.Also, since with Cloudron we're most often building things that exist upstream, here's an example multi-arch build repo I have for the Golang project cadvisor. It will auto build a particular cadvisor version on a git tag so I just need to create a release on my Gitea server and the build is started and deployed. With cadvisor, I have to clone the whole repo and cross-compile the cadvisor binary for arm becaue there is no pre-compiled binary. If there is, it should be even easier to just pull that binary.
Anyway, I'm happy to help if there are any applications that may be critical to be ported.
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@iamthefij nice thanks for the pointers, when we got started on this this will help. I tried to use
docker buildxbut I couldn't get it to work and produce binaries which would actually run on the raspberrypi, so I ended up using the raspberrypi to build the images itself, which surprisingly showed how beefy that board has become
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@nebulon would all binaries not run (eg.
/bin/shfrom within the base) or just Go binaries that you compiled within thebuildxpipeline? If it's the former, it may not be using the right base image. If it's the latter and the former works, perhaps setting theGOARCHvariable via a build-arg would solve it.Note: I personally have not used
buildxyet, but from what I can see it's a simpler, automatic version of what I'm trying to do with qemu that handles the manifest for you. So I think you should just be able to build without the muckiness of all the build-args I pass, but if not you can play with mixing those in until it works.I think
buildxis supported on my laptop, so I can give it a try, but it's not supported on my CI box yet, so I haven't switched. -
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Hey! I was working on this, but stumbled upon two issues:
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As @girish said, there's not much interest in ARM servers, so it would be very low priority to integrate having different architectures into cloudron main code; and
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I wanted to do this so I could host my cloudron at home, but since mos ISPs where I live won't let you expose port 80, 443, 25, etc., I lost interest in pursuing this.
If cloudron would support having nginx on custom ports, that would be cool for people wanting to host at home and with the same problem, but I think this is also not a priority now, as not too many people seem to be interested in this.
It's not too hard to make cloudron's install script work on a raspberry pi, though, but you'd have to maintain a fork, which was also not my interest at the time. If you want to, though, DM me and I can give you a few pointers.
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@malvim There's a nice thread on all the different tools you can use to expose apps under dev or home run services:
https://forum.cloudron.io/topic/6231/ngrok-alternatives-awesome-tunnelingEven if you don't have a domain, any subdomain provider will work, and I'm sure many of the forum members could offer a container that does just that on one of their subdomains if you don't already have one and a VPS.
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@robi hey, thanks for the reply!
I'll take a look.
I currently do own a domain and run cloudron on a rented server, but I'm from Brazil and stuff is pretty bad here right now, and it's starting to be a bit too expensive for my purposes.
I thought about hosting at home, but stumbled upon this problem. I'll take a look ad that thread and see what I can use. Thanks again!
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@malvim said in Cloudron on a Raspberry pi?:
I currently do own a domain and run cloudron on a rented server, but I'm from Brazil and stuff is pretty bad here right now
We also have a thread on that.. search for "cheap vps" ..
my profile has a link to the affordable VPS servers I use. -
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Having a small heatsink or fan handy helps a lot.
So far, there's not much interest in ARM server (apart from hosting on pi), I was hoping we will see more ARM servers mainstream...