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Here’s my homelab journey: https://bower.sh/homelab
Basically, containers and GPU is annoying to deal with, GPU pass through to a VM is even more annoying. Most modern hobbyist GPUs also do not support splitting your GPU. At the end of the day, it’s a bunch of tinkering which is valuable if that’s your goal. I learned what I wanted, now I’m back to arch running everything with systemd and quadlet
I consider them unnecessary layers of abstraction. Why do I need to fiddle with Docker Compose to install Immich, Vaultwarden etc.? Wouldn't it be simpler if I could just run sudo apt install immich vaultwarden, just like I can do sudo apt install qbittorrent-nox today? I don't think there's anything that prohibits them from running on the same bare metal, actually I think they'd both run as well as in Docker (if not better because of lack of overhead)!
Warms me heart to see people in this thread thinking for themselves and not doing something just because other people are.
This reminds me of a question I saw a couple years ago. It was basically why would you stick with bare metal over running Proxmox with a single VM.
It kinda stuck with me and since then I've reimaged some of my bare metal servers with exactly that. It just makes backup and restore/snapshots so much easier. It's also really convenient to have a web interface to manage the computer
Probably doesn't work for everyone but it works for me
I'm using proxmox now with lots of lxc containers. Prior to that, I used bare metal.
VMs were never really an option for me because the overhead is too high for the low power machines I use -- my entire empire of dirt doesn't have any fans, it's all fanless PCs. More reliable, less noise, less energy, but less power to throw at things.
Stuff like docker I didn't like because it never really felt like I was in control of my own system. I was downloading a thing someone else made and it really wasn't intended for tinkering or anything. You aren't supposed to build from source in docker as far as I can tell.
The nice thing about proxmox's lxc implementation is I can hop in and change things or fix things as I desire. It's all very intuitive, and I can still separate things out and run them where I want to, and not have to worry about keeping 15 different services running on the same version of whatever common services are required.
Actually docker is excellent for building from source. Some projects only come with instructions for building in Docker because it’s easier to make sure you have tested versions of tools.
My servers and NAS were created long before Docker was a thing, and as I am running them on a rolling release distribution there never was a reason to change anything. It works perfectly fine the way it is, and it will most likely run perfectly fine the next 10+ years too.
Well I am planning, when I find the time to research a good successor, to replace my aging HPE ProLiant MicroServer Gen8 that I use as Homeserver/NAS. Maybe I will then setup everything clean and migrate the services to docker/podman/whatever is fancy then. But most likely I will only transfer all the disks and keep the old system running on newer hardware. Life is short...
For me the learning curve of learning containers does not match the value proposition of what benefits they're supposed to provide.
I really thought the same thing. But it truly is super easy. At least just the containers like docker. Not kubernetes, that shit is hard to wrap your head around.
Plus if you screw up one service and mess everything up, you don’t have to rebuild your whole machine.
100% agree, my server has pretty much nothing except docker installed on it and every service I run is always in containers.
Setting up a new service is mostly 0% risk and apps can't bog down my main file system with random log files, configs, etc that feel impossible to completely remove.
I also know that if for any reason my server were to explode, all I would have to do is pull my compose files from the cloud and docker compose up everything and I am exactly where I left off at my last backup point.
Containers run on "bare metal" in exactly the same way other processes on your system do. You can even see them in your process list FFS. They're just running in different cgroup's that limit access to resources.
Yes, I'll die on this hill.
But, but, docker, kubernetes, hyper-scale convergence and other buzzwords from the 2010's! These fancy words can't just mean resource and namespace isolation!
In all seriousness, the isolation provided by containers is significant enough that administration of containers is different from running everything in the same OS. That's different in a good way though, I don't miss the bad old days of everything on a single server in the same space. Anyone else remember the joys of Windows Small Business Server? Let's run Active Directory, Exchange and MSSQL on the same box. No way that will lead to prob... oh shit, the RAM is on fire.
…oh shit, the RAM is on fire.
The RAM. The RAM. The 🐏 is on fire. We don’t need no water let the mothefuxker burn.
Burn mothercucker, burn.
(Thanks phone for the spelling mistakes that I’m leaving).
Ok I’m arguing for containers/VMs and granted I do this for a living… I’m a systems architect so I build VMs and containers pretty much all the time time at work… but having just one sorta beefy box at home that I can run lots of different things is the way to go. Plus I like to tinker with things so when I screw something up, I can get back to a known state so much easier.
Just having all these things sandboxed makes it SO much easier.
Why would I want add overheard and complexity to my system when I don't need to? I can totally see legitimate use cases for docker, and work for purposes I use VMs constantly. I just don't see a benefit to doing so at home.
Main benefit of Docker for home is Docker compose IMO. Makes it so easy to reuse your configuration
Then check IaC, for example with Terraform or Ansible
Why if I already need to know Docker for work, but not the others
I've used Kunernetes but not Ansible lol
"What is stopping you from" <- this is a loaded question.
We've been hosting stuff long before docker existed. Docker isn't necessary. It is helpful sometimes, and even useful in some cases, but it is not a requirement.
I had no problems with dependencies, config, etc because I am familiar with just running stuff on servers across multiple OSs. I am used to the workflow. I am also used to docker and k8s, mind you - I've even worked at a company that made k8s controllers + operators, etc. I believe in the right tool for the right job, where "right" varies on a case-by-case basis.
tl;dr docker is not an absolute necessity and your phrasing makes it seem like it's the only way of self‐hosting you are comfy with. People are and have been comfy with a ton of other things for a long time.
Question is totally on purpose, so that you'll fill in what it means to you. The intention is to get responses from people who are not using containers, that is all. Thank you for responding!
Well, that is how I started out. Docker was not around yet (or not mainstream enough, maybe). So it is basically a legacy thing.
My main machine is a Frankenstein monster by now, so I am gradually moving. But since the days when I started out, time has become a scarce resource, so the process is painfully slow.
Im a hobbiest who just learned how to self host my own static website on a spare laptop over the summer. I went with what I knew and was comfortable with which is a fresh install of linux and installing from the apt package manager.
As im getting more serious im starting to take another look at docker. Unforunately my OS package manager only has old outdated versions of docker I may need to reinstall with like ubuntu/debian LTS server something with more cutting edge software in repo. I don't care much for building from scratch and navigating dependency roulette.
What OS are you using?
Linux Mint 22
I guess it isn't the most user friendly process, but you can add the official Docker repo and get an up-to-date version without compiling or anything. You just want to make sure to uninstall any Docker packages that you installed before, before you start.
https://linuxiac.com/how-to-install-docker-on-linux-mint-22/
They can but - if their current setup meets their needs - why? There ain't nothing wrong with having a few simple spare laptops, each an isolated environment for a few simple home server tasks each.
Don't get me wrong - I too advocate for docker, particularly on new builds, or as a relatively turnkey solution to get started for novice friends, but the best setup is the one that works, and they sound like they got theirs where they want it.
Curious to know what the experiences are for those who are sticking to bare metal. Would like to better understand what keeps such admins from migrating to containers, Docker, Podman, Virtual Machines, etc. What keeps you on bare metal in 2025?
If it aint broke, don't fix it 🤷
Have done it both ways. Will never go back to bare metal. Dependency hell forced multiple clean installs down to bootloader.
The only constant is change.
In my own experience, certain things should always be on their own dedicated machines.
My primary router/firewall is on bare metal for this very reason.
I do not want to worry about my home network being completely unusable by the rest of my family because I decided to tweak something on the server.
I could quite easily run OpnSense in a VM, and I do that, too. I run proxmox, and have OpnSense installed and configured to at least provide connectivity for most devices. (Long story short: I have several subnets in my home network, but my VM OpnSense setup does not, as I only had one extra interface on that equipment, so only devices on the primary network would work)
And tbh, that only exists because I did have a router die, and installed OpnSense into my proxmox server temporarily while awaiting new-to-me equipment.
I didn't see a point in removing it. So it's there, just not automatically started.
Same here. In particular I like small cheap hardware to act as appliances, and have several raspberry pi.
My example is home assistant. Deploying on its own hardware means an officially supported management layer, which makes my life easier. It is actually running containers but i don’t have to deal with that. It also needs to be always available so i use efficient “right sized” hardware and it works regardless whether im futzing with my “lab”
I've been self-hosting since the '90s. I used to have an NT 3.51 server in my house. I had a dial in BBS that worked because of an extensive collection of .bat files that would echo AT commands to my COM ports to reset the modems between calls. I remember when we had to compile the slackware kernel from source to get peripherals to work.
But in this last year I took the time to seriously learn docker/podman, and now I'm never going back to running stuff directly on the host OS.
I love it because I can deploy instantly... Oftentimes in a single command line. Docker compose allows for quickly nuking and rebuilding, oftentimes saving your entire config to one or two files.
And if you need to slap in a traefik, or a postgres, or some other service into your group of containers, now it can be done in seconds completely abstracted from any kind of local dependencies. Even more useful, if you need to move them from one VPS to another, or upgrade/downgrade core hardware, it's now a process that takes minutes. Absolutely beautiful.
It's so simple that it takes so much less time, one day I may move to Podman but I need to have the time to learn. I host Jellyfin
pff, you call using an operating system bare metal? I run my apps as unikernels on a grid of Elbrus chips I bought off a dockworker in Kamchatka.
and even that's overkill. I prefer synthesizing my web apps into VHDL and running them directly on FPGAs.
until my ASIC shuttle arrives from Taipei, naturally, then I bond them directly onto Ethernet sockets.
/uj not really but that'd be sick as hell.
Every time I have tried it just introduces a layer of complexity I can't tolerate. I have struggled to learn everything required to run a simple Debian server. I don't care what anyone says, docker is not simpler or easier. Maybe it is when everything runs perfectly but they never do so you have to consider the eventual difficulty of troubleshooting. And that would be made all the more cumbersome if I do not yet understand the fundamentals of Linux system.
However I do keep a list of packages I want to use that are docker-only. So if one day I feel up to it I'll be ready to go.
It's just another system to maintain, another link in the chain that can fail.
I run all my services on my personal gaming pc.
My NAS will stay on bare metal forever. Any complications there is something I really don’t want. Passthrough of drives/PCIe-devices works fine for most things, but I won’t use it for ZFS.
As for services, I really hate using Docker images with a burning passion. I’m not trusting anyone else to make sure the container images are secure - I want the security updates directly from my distribution’s repositories, and I want them fully automated, and I want that inside any containers. Having Nixos build and launch containers with systemd-nspawn solves some of it. The actual docker daemon isn’t getting anywhere near my systems, but I do have one or two OCI images running. Will probably migrate to small VMs per-service once I get new hardware up and running.
Additionally, I never found a source of container images I feel like I can trust long term. When I grab a package from Debian or RHEL, I know that package will keep working without any major changes to functionality or config until I upgrade to the next major. A container? How long will it get updates? How frequently? Will the config format or environment variables or mount points change? Will a threat actor assume control of the image? (Oh look, all the distros actually enforce GPG signatures in their repos!)
So, what keeps me on bare metal? Keeping my ZFS pools safe. And then just keeping away from the OCI ecosystem in general, the grass is far greener inside the normal package repositories.
All my services run on bare metal because its easy. And the backups work. It heavily simplifies the work and I don't have to worry about things like a virtual router, using more cpu just to keep the container...contained and running. Plus a VERY tiny system can run:
Without a single docker container. Its using around 10-20% of the RAM and doing a dd once in a while keeps everything as is. Its been 4 years-ish and has been working great. I used to over-complicate everything with docker + docker compose but I would have to keep up with the underlining changes ALL THE TIME. It sucked, and its not something I care about on my weekends.
I use docker, kub, etc...etc... all at work. And its great when you have the resources + coworkers that keep things up to date. But I just want to relax when I get home. And its not the end of the world if any of them go down.
The fact that I bought all my machines used (and mostly on sale), and that not one of them is general purpose, id est, I bought each piece of hardware with a (more or less) concrete idea of what would be its use case. For example, my machine acting as a file server is way bigger and faster than my desktop, and I have a 20-year-old machine with very modest specs whose only purpose is being a dumb client for all the bigger servers. I develop programs in one machine and surf the internet and watch videos on the other. I have no use case for VMs besides the Logical Domains I setup in one of my SPARC hosts.
All I have is Minecraft and a discord bot so I don't think it justifies vms