Homarr / Multiple Docker Server Integrations

[exee21]

well i am wanting to know if homarr's docker integration can not only cover its own docker server instance, but the several other docker "servers" (mostly on proxmox CTs) can also be integrated? Here is an ideal .yaml (doesn't work, but gives a better idea of what I need done):

version: '3'
services:
homarr:
container_name: homarr
image: ghcr.io/ajnart/homarr:latest
restart: unless-stopped
volumes:
- /portainer/Files/AppData/Config/homarr/configs:/app/data/configs
- /portainer/Files/AppData/Config/homarr/icons:/app/public/icons
- /var/run/docker.sock:/var/run/docker.sock:ro
ports:
- 7575:7575
servers:
- name: "LocalServer"
- endpoint: "unix:///var/run/docker.sock"
- tls: false
- name: "portainer"
- endpoint: "tcp://192.168.0.26:2375"
- tls: false
- name: "ulogger2"
- endpoint: "tcp://192.168.0.208:2375"
- tls: false   

[mtojay]

i will keep an eye on this. as someone who has more than one docker host server/node aswell (some being onsite in the lan, some being offsite in the "cloud") it not being able to use foreign hosts is a dealbraker as of now.

maybe itll come with an update in the future.

[Eldiabolo21]

Commenting for support and visibiliy!

[octoTurnip]

Running a setup with multiple VMs and docker running on each of them, it would be useful to have the ability for Homarr to see that. I hope this can be implemented!

[KasaiJo]

I'm also interested by this feature.
Since implementation by environment variable already works for one tcp docker, we could imagine something like Dozzle does :

# Dozzle doc
DOZZLE_REMOTE_HOST: tcp://167.99.1.1:2376,tcp://167.99.1.2:2376

[ajnart]

I'm also interested by this feature.

Since implementation by environment variable already works for one tcp docker, we could imagine something like Dozzle does :

# Dozzle doc

DOZZLE_REMOTE_HOST: tcp://167.99.1.1:2376,tcp://167.99.1.2:2376

That's exactly what I was working on this weekend for v1.0.0, it's in our plans ;)

[KasaiJo]

Ho great, really happy to hear it.
Thank for your work 😊

[mtojay]

thats so good to hear :-) i have in the meantime adopted homarr for my homelab completely and added the most important docker containers by hand. but i cant wait to have it more streamlined. this project just keeps getting better. thx for your awesome work @ajnart

[alexsahka]

I'm also interested by this feature.
Since implementation by environment variable already works for one tcp docker, we could imagine something like Dozzle does :

# Dozzle doc

DOZZLE_REMOTE_HOST: tcp://167.99.1.1:2376,tcp://167.99.1.2:2376

That's exactly what I was working on this weekend for v1.0.0, it's in our plans ;)

Has this been implemented already?

[Meierschlumpf]

It has, but only in the new major release that will still take some time until it's ready

[hacketaler]

@Meierschlumpf
for sure, I'm too dumb for this, but how does this work???
I'm running docker and docker proxy on a Test-VM 192.168.3.99 and trying to connect from homarr (based on host 192.168.3.41).
added 192.168.3.99 and port 2375 to the compose-file (also tried 2376 as both hosts have certificates from my trusted step-CA).
I'm unable to add an Integration in the gui with http://192.168.3.99:2375 or any other combination.
what steps are needed after changing the compose-file?

thx for your help

[hacketaler]

services:
  homarr:
    container_name: homarr
    image: ghcr.io/homarr-labs/homarr:latest
    restart: unless-stopped
    volumes:
      #- /var/run/docker.sock:/var/run/docker.sock # Optional, only if you want docker integration
      - /mnt/proxFSgluster/docker-volumes/homarr:/appdata
      - /etc/localtime:/etc/localtime:ro
    environment:
      - SECRET_ENCRYPTION_KEY=***
      #Einbindung Docker --> https://homarr.dev/docs/advanced/environment-variables/#docker
      - DOCKER_HOSTNAMES=192.168.3.99
      - DOCKER_PORTS=2375
    ports:
      - 7575:7575

Homarr Version 1.36.1

I can use this from the host of homarr and from the homarr container (and every other host in my network ;)):
/app # curl http://192.168.3.99:2375/version
{"Platform":{"Name":"Docker Engine - Community"},"Components":[{"Name":"Engine","Version":"28.4.0", ---> working

If I use Integration -> docker hub --> URL http://192.168.3.99:2375 I get errors (this time an Auth-error)

[Meierschlumpf]

Yes, because integration docker hub is for releases on the https://hub.docker.com/ only and not for connecting to docker. Your way of doing it with the env variables would be correct. However we currently don't support auth or certificates I think.

[hacketaler]

ok, I found the containers of my test-VM in Tools -> docker. so my compose-file is correct. thx
but if I add more hosts, how to name, group or seperate them?

[Meierschlumpf]

Grouping and such is currently not supported, feel free to request this feature on the v1 repository: https://github.com/homarr-labs/homarr/issues/new/choose

[Meierschlumpf]

You can separate them with commas

[baragoon]

Hi,
So how to add remote docker host with TLS auth? Haven't find any suitable ENV or parameter for this =\

[ajnart]

You should look at the new homarr repo, this one has been archived