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Mar 21, 2025

19 min read

What is Self-hosting? Simple 2025 Self-hosting Guide

Written by

Abdelhadi Dyouri

Are you still trusting big tech companies with your precious data while they collect, analyze, and monetize your every digital move? Self-hosting is your path to digital independence before it's too late.

What is Self-hosting?

Self-hosting is when you host applications on your own server infrastructure, managing your own databases, and maintaining complete control over your digital environment. Unlike relying on third-party services that can change terms, increase prices, or even shut down without notice, self-hosting puts you firmly in the driver's seat of your digital experience.

What is a Self-hosted Website?

A self-hosted website is one you host on your own server infrastructure rather than relying on third-party hosting services. This gives you complete control over your databases, web architecture, design, and most importantly, your data.

Although a self-hosted website does offer unparalleled freedom and privacy benefits, the main drawback is taking full responsibility for security, maintenance, and technical troubleshooting, and these tasks are normally handled by hosting providers.

What is a Self-hosted Application?

A self-hosted application runs on your own server rather than cloud platforms. You maintain control over the app's databases, configurations, and update schedules. This offers privacy, customization flexibility, and freedom from subscription fees, though it requires technical knowledge to manage security, backups, and scaling. Popular examples include Mailcow for email management, Nextcloud for file storage and collaboration, among many other.

Get Started With Self-hosting on a VPS

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Self-hosting Overview

What is Self-hosting
Do you have an email account you log into every day? A to-do app? Maybe you have a folder in the cloud where you store and synchronize your files? You probably have a dozen of such services you use regularly. Web applications (web apps), particularly in the software as a service (SaaS) model, are so standard we barely even think about them anymore. They’re just part of our daily lives.

For reasons we’ll get into in a minute, people are choosing to take control of their web experiences, and the data they give them, through self-hosting.

You might be asking: “Is self-hosting complicated? Is it hard? Why does it sound like being the only person who shows up for your own birthday party?”
Don’t worry — we’ll answer your questions in a minute. When it comes to friends, you’re on your own.

The Standard App Structure

Before we define self-hosting clearly, we need to quickly explain what a web app is, and how it works. For this discussion about self-hosting, a web app consists of a frontend, a backend, and storage. The storage can either be regular SSD, or a faster NVMe VPS.

Well, in reality, it’s more complex than that, but let’s keep it simple.

The frontend is the presentation, or user interface, of the web app — it’s what you look at and click on to make it do what you want. Developers use HTML, CSS, and JavaScript to create frontends, and while these interfaces are the only part of a web app that you interact with directly, they’re only a small piece of the puzzle.

The backend is both the brain and the messenger of the web app. It lives on a server, is written in one of many different languages, such as Node.js, Ruby, Python, Java, PHP, and others.

A backend not only relays information between the user and the storage but also makes important decisions, such as whether or not you entered your password correctly and how much information you should be seeing.

The storage is both information and files. Information goes into databases, which are similar to spreadsheets — lots of little cells holding a number or a piece of text. Files — which can include videos, photos, documents, gifs, your hopes and dreams, and more — are put into highly-organized folders. Not unlike a library, which uses a catalog system to keep track of its many books.

The frontend, backend, and database, which contains your information and that of many others, all live on a server. One that looks something like this:

self-hosting servers

So, the frontend talks to the backend, which in turn talks to the database. The database returns the information or files that you requested, and the backend then decides how you’ll view it. It sends these details back to the frontend, which formats the information and presents it via the interface.

Because the frontend and backend are independent, a web app can be used by many people all at once, or by one person with a few different devices.

Here’s a rough idea of what I’m talking about:

Self-hosted App Structure

In typical web apps, someone else owns the server, stores your information, and runs the application. Here’s where self-hosting is different.

Self-hosting is when you put an application on your server, store the information in your own database, and create your own web experience.

So, I Can Host my Own Gmail?

Not quite.

Unfortunately, not every web app that you use every day can be self-hosted. In fact, almost all of them can’t.

You can’t self-host Gmail for a lot of reasons, most important of which is that Google doesn’t release the project’s code to the public. You can, however, set up Mailcow as a powerful alternative that gives you similar email functionality under your control.

Same goes for another popular service like Dropbox — while Nextcloud offers a superior open-source alternative with even more features and better privacy — the companies behind these web apps keep the source code behind lock and key, also known as closed source.

The source code is all the programming that makes the frontend, backend, and storage function and talk to each other. Without that, you can’t self-host a thing.

But self-hosting advocates have been working for years on powerful and innovative open source alternatives to your favorite closed source web apps. Some of them are arguably better than their expensive competitors, and some offer features you can’t find elsewhere.

To self-host one of these open source alternatives, you need a server. Welcome to the world of web hosting.

This Sounds… Complicated

Remember that picture of a row of servers from above? That’s what you need to start self-hosting.

Well, you need just a tiny slice of one of those servers.

Yes, you can also self-host web apps from an old computer or something new like a Raspberry Pi, but we don’t recommend it.

Inside each of those racks — the things that look like freezer doors at your local grocery store — are hundreds of computers and hard drives. And each of those computers and hard drives are split into many smaller pieces through something that’s called virtualization.

self-hosted virtualization

No, not that kind of virtualization! Looks like fun, though.Here’s a useful read that digs in a bit more into what virtualization actually is.

What you need to know is that one of these little slivers is called a virtual private server (VPS). Nowadays, many people use the word “cloud” synonymously with virtualized servers. Self-hosting is the same — instead of relying on Google’s cloud to save and display your email, for example, you’re creating your own cloud.

Once you have a VPS of your own, you’ll be able to get started building your cloud. You’ll need some basic experience with Linux and running commands on the shell, but we think this stuff is easier to learn than a lot of people think.

And with cool software like Docker, self-hosting has never been easier.

Now that you understand the meaning of self-hosted websites and apps, you might be wondering, is it worth self-hosting a website?

Is it Worth Self-hosting a Website?

Deciding whether it's worth self-hosting a website depends on factors like your technical proficiency, the level of control you desire over your site, and your willingness to handle maintenance tasks and security concerns. Self-hosting offers great autonomy, but it also comes with some responsibilities.

Reasons for Self-hosting Your Own Website

Self-hosting Benefits
There are a lot of reasons to favor self-hosting over using web apps created and hosted by one company or another.

First and foremost, self-hosting is (mostly) free! You need to pay for your server, but you can say goodbye to SaaS subscription fees and paid premium accounts.

Self-hosting is virtually limitless — you can run an email service, watch your videos from anywhere, keep your bookmarks safe and secure, run a chat service for your business, host a blog, synchronize your files in the cloud, and more, all from a single VPS.

A lot of self-hosting advocates like the fact that they control their own data, not some other company. Data breaches happen all the time these days, and it’s hard to know how a company plans to profit from your data. By self-hosting, you take back a bit of power.

Finally, self-hosting helps you learn a heck of a lot. If you’re hoping to find out more about development, there’s no better way than just jumping in headfirst.

How to Self-host a Website?

Self-hosting a website involves setting up a VPS server, managing databases, and configuring your website's files to run on that server. Additionally, you'll need to secure your server and ensure reliable internet connectivity for visitors.

The Path to Self-host a Website

If you’re interested in self-hosting, you need just a few things to get started.

A VPS is your biggest priority. There are many VPS hosting providers out there. We’d be remiss not mentioning that SSD Nodes is one of them, and offer servers that beat the competition in benchmarks but will take a much smaller bite out of your wallet.

A VPS with 8GB of RAM should be more than enough to self-host quite a few web apps simultaneously. If you’re going to do a lot of things, or self-host a web app that lots of other people might use, look into 16GB or more of RAM.

You should also look for KVM offerings — that will allow you to run Docker and every modern web app.

Self-hosted alternatives
After that, you need some web apps to run! We’ve put together a fairly comprehensive guide on self-hosted alternatives to some of the most popular web apps, organized by category.

There’s a great subreddit dedicated to self-hosting as well for more active discussions about finding and installing web apps for specific needs.

Generally speaking, these self-hosted web app will have a copy of their code on GitHub. You copy the code to your server, run through the installation process, and connect to the web app through your browser.

The Installation Process

It’s impossible to give one universal explanation on how to install self-hosted web apps. That’s just not how the technology works—it’s nothing like double-clicking on an .exe file or copying an icon to your Applications folder. The good news is that actively-developed web apps come with good instructions on how to do it yourself.

Still, I can try to get you off on the right foot. A good first step is to install Docker. It’s not the easiest thing to do, especially for a beginner, but if you can get through it, installing other self-hosted web apps will be a lot easier.

We have a comprehensive tutorial on installing Docker available on our primary blog, which I encourage you to check out.

Once you’re done there, and have Docker running smoothly, let’s look at installing one popular use of self-hosting: hosting your own feed reader. This became a lot more popular after the death of Google Reader—while Feedly helped fill the gap, many people aren’t happy with that, either.

Miniflux is an excellent feed reader that I use every single day—it’s hard to underestimate the importance of a piece of software like that.

To get Miniflux running via Docker, all you need to do is run a single command:

docker run -d --name miniflux -p 80:80 miniflux/miniflux:latest

You can then type in the IP address of your VPS into your browser’s address bar and have your very own self-hosted feed reader!

Another Use Case: Self-hosting Game Servers

In addition to self-hosting websites and software, you can also host your own online games!

What is a Self-hosted Game Server?

A self-hosted game server is a dedicated server you set up on your own infrastructure, giving you complete control over the game environment. This includes managing settings, mods, and player access. Instead of relying on third-party hosting providers, you control the server's configuration and performance. You can get affordable VPS servers to host your games with SSD Nodes.

Why Self-host Games?

Self-hosting a game server offers several benefits:

  • Customization: Tailor the gameplay experience to your liking, from rules to mods.
  • Control: Decide who joins your server, set custom game rules, and manage player interactions.
  • Performance: With dedicated resources, you can make sure the gameplay is smooth with low latency.

Getting Started

To self-host a game server, you'll need a VPS with adequate resources (RAM, CPU, and bandwidth), a bit of Linux command-line knowledge, and game server software for the specific title you want to host (like Minecraft, Rust, or ARK: Survival Evolved).

With the right setup, you can create a fun, stable, and fully customizable gaming experience for you and your community.

Conclusion

If you thought this piece helped explain what self-hosting is all about, and why you should dig in, mind giving it a share? We at SSD Nodes are always trying to think of new ways we can spread the word about self-hosting to those who might have not heard about it yet. Doubly so for those who already have a VPS and are looking for something else they can do with it.

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