A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
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Docker makes sense if you are deploying thousands of machines in the cloud. I don't think it makes as much sense if you have your own hardware.
Some services do have 1-line installers with docker, so those might be useful. But they usually have 1-line non-docker installers too.
Docker is amazing but not needed. You can compare it to a simpler VM. You can take a docker and run it on any machine. You have an environment that is separate from your host and you and the container can only access it via defined points (volumes and ports).
Imagine you need to run a 2nd Mumble Server. I never set on up but its often that a 2nd instance is not that easy. With docker its easy. The only difference is that you need to use different ports, when you have only one network access or you use a reverse proxy. You can create a 2nd instance to test stuff, without interrupting your productive system. Its a security benefit, because its isolated to some degree and you can remove one easily.
I started using it with MSSQL Server, because I hated how invasive it is on a windows machine, especially I just needed it temporarily to do stuff with it. I'm not a microsoft admin and I know that Servers from Microsoft are a different level. Docker allowed me to start and stop it and remove it very easily. After that I started using it for a lot of and brought my NAS on the next level.
Also one thing worth mentioning are Linux Containerx (LXC). They are in Proxmox but I have less knowledge. It feels more like a full VM than docker but uses less resources. This is the reason why containers in general are more popular. They are less resource hungry than a full VM but have some benefits than running everything on one machine. LXC feels more like a full system, than docker. With docker you rarely get into the system. You may execute some commands, like a create user command or a one time job but don't access it via a shell from the inside (its possible). LXC on the other hand, you use the shell.
Vs. LXD?
Docker of one version of software that uses Linux containers to encapsulate software and that software's dependencies, while limiting that software's access to the underlying OS. It's chroot, but for more of the system. It can make running software that has a lot of moving parts and dependencies easier. It can also improve your security running that software.
For how-tos, watch one of the 875,936 YouTube tutorials, or read one of the 3 million text tutorials. Or ask ChatGPT, if you really need hand-holding.
Avoid Docker as much as possible. It gives you a quick way to run apps, but in a way that you can't see what is going to be installed.
It is also double resource heater.
And it has many frequent vulnerabilities.
False.
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:
| Fewer Letters | More Letters |
|---|---|
| CA | (SSL) Certificate Authority |
| DNS | Domain Name Service/System |
| Git | Popular version control system, primarily for code |
| HA | Home Assistant automation software |
| ~ | High Availability |
| IP | Internet Protocol |
| LXC | Linux Containers |
| NAS | Network-Attached Storage |
| SBC | Single-Board Computer |
| SSD | Solid State Drive mass storage |
| SSL | Secure Sockets Layer, for transparent encryption |
9 acronyms in this thread; the most compressed thread commented on today has 15 acronyms.
[Thread #592 for this sub, first seen 11th Mar 2024, 17:25] [FAQ] [Full list] [Contact] [Source code]
Recent video that explains Docker very well: https://www.youtube.com/watch?v=rIrNIzy6U_g
Here is an alternative Piped link(s):
https://www.piped.video/watch?v=rIrNIzy6U_g
Piped is a privacy-respecting open-source alternative frontend to YouTube.
I'm open-source; check me out at GitHub.