this post was submitted on 07 Nov 2024
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24
Help with docker setup (lemmy.ml)
submitted 1 month ago by [email protected] to c/[email protected]
42 comments fedilink hide all child comments
 

I just start using my homelab to host some new good services, and I want to know what is the approach of a docker setup, what is the best distro for? How to deploy them correctly? Basically I'm a real noob in this subject. Thank you

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[–] [email protected] 1 points 1 month ago (4 children)

And what is the good way of deploying it? After pulling the image, how do we autostart it etc...

[–] lka1988 5 points 1 month ago (1 children)

The Docker documentation is pretty terrible, but it's a decent start. Start by looking at docker-compose.yml files for the services you want to run and the write-ups for those.

Something nobody ever told me, that I had to figure out myself, is that docker-compose.yml files can be placed anywhere you want.

[–] [email protected] 1 points 1 month ago (1 children)

Should I make the docker compose files or pull the image from hub.docker.com?

[–] [email protected] 4 points 1 month ago

Your compose file will pull the image when you run it, from the registry it's in

[–] atzanteol 3 points 1 month ago (1 children)

At its simplest:

docker run -d --name servicename --restart unless-stopped container

That'll get you going. Youi'll have containers running, they restart, etc. There are more sophisticated ways of doing things (create a systemd file that starts/stops the container, use kubernetes, etc.) but if you're just starting this will likely work fine.

[–] [email protected] 1 points 1 month ago* (last edited 1 month ago) (1 children)

Are they starting automatically at boot?

EDIT : how do you run a container with a simple name instead of using his id?

[–] atzanteol 2 points 1 month ago* (last edited 1 month ago) (1 children)

Yes - they'll start automatically. There are other options for "restart" that define the behavior.

You can give whatever you like to "servicename" and use that rather than the ID.

For example:

docker run -d --name mysite --restart unless-stopped nginx

docker stop mysite

docker start mysite
[–] [email protected] 3 points 1 month ago

in a docker compose file you can set the option "restart: unless-stopped"

https://docs.docker.com/reference/compose-file/services/#restart

[–] [email protected] 1 points 1 month ago

Create a systemctl service for it, create a cron, or of there is a lot of interconnectivity between your containers look at something like K3S.