this post was submitted on 02 Jul 2023
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Showerthoughts
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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The best ones are thoughts that many people can relate to and they find something funny or interesting in regular stuff.
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it's that cheap? If I spun up an instance and paid less than $150 how many users would I be able to have before it implodes?
The instance I'm replying from is a 5 eur/mo box from Hetzner.
Your main concerns are gonna be active user count & storage space. Especially if you decide to allow image or god forbid video uploads. Having a bunch of inactive users aren't going to affect costs that much as long as they don't have, like, a milion subscriptions. (If they're all subscribed to the same community things will "deduplicate")
Do you have any specific resources or suggestions? I’m a software dev with lots of DigitalOcean experience looking to host my own instance. Also, can you log in to wefwef through your instance, or how do you access everything, specifically on mobile?
Depending on how well you know your way around, my recommendation is to not use the Ansible setup but instead treat it as documentation while doing things your way. It has quite a bit of strange stuff going on (postfix? two nginx installs with only one being in a container?) and seems to be missing important things such as SSH hardening. It also assumes it'll be the only thing running in your server just in general (horrible yet common practice, unfortunately) so if you have anything set up it may or may not clobber over it to do things it's own way, and end up breaking something.
I haven't tried wefwef in particular but all native apps I tried work just fine. An issue I can see cropping up from wefwef is that Lemmy's CORS policies are way too restrictive by default. No idea if they do any kind of proxying to get around that but that would be the main issue I'd imagine.
What's the learning curve like? That honestly seems like a much bigger hurdle than cost.
The installation itself is pretty simple, every piece of lemmy lives in a docker container, so they should work right out of the box. The admin configuration has a slightly unintuitive UI but alas very few things to do, so really small leaning curve.
Guide: https://github.com/LemmyNet/lemmy-ansible
There are many guides on getting started with Linux servers as a whole. I recommend installing Debian Bookworm on a virtual machine or a spare laptop at first and going through the writeups all major cloud providers have, just to get a feel for using the terminal & initial setup (SSH hardening and reverse proxy configuration and so on)
After getting an initial feel for Linux admining, start reading up on Docker, Docker Compose, and containers in general. Avoid Podman until you're experienced with Docker as it's just different enough to trip you up. You can also check out LXC/LXD although it's way less popular.
Be careful of guides that are old (even a year makes a difference) or for different "distros" than the one you have. An exception for the second case is the Arch Linux wiki, which is one of the best resources just in general, aside from a few Arch specific bits like the exact package names to install. You should also use Arch's "man pages" reference, as they're built from the latest versions of packages compared to other man page renderers that are frequently outdated (like die.net)
Lemmy itself is harder to get right because the instructions so far are intended for people who kinda know what they're doing, but once you have the base Linux admin knowledge, it won't be that hard to pick up the parts necessary to get working with something like Lemmy.
Only one way to find out ;)
On a more serious note... I'm not sure if much has changed since then (probably, things have been moving fast...), but lemmy.world was hosted on about a $150 / mo server:
https://blog.mastodon.world/ https://www.hetzner.com/dedicated-rootserver/matrix-ax (it's the most expensive option here)
That's pretty beefy. You could probably get away with much less for a smaller instance.
But...but...spez said it will cause 200k per month!
That's because he wants all 55 million active users accessing his servers so he shove ads down their throats.
To be fair, Reddit is a lot bigger than any Lemmy instance, and Lemmy instances have the benefit of being decentralised, so the load is on many different servers owned by different people as opposed to one group of servers owned by one company.
Sounds like a challenge