[Feature Request] Docker autodiscovery labels - string replacements

[mlofjard]

Description

I would like the autodiscovery docker labels to have some basic string replacements available for e.g. container name and image/tag. These are already fetched from the API through the docker.listContainers() call.

Example docker-compose:

services:
  emby:
    image: lscr.io/linuxserver/emby:latest
    container_name: emby
    ports:
      - 8096:8096
    restart: unless-stopped
    labels:
      - homepage.group=Media
      - homepage.name=$${name} # Will be replaced with 'emby'
      - homepage.icon=emby.png
      - homepage.href=http://emby.home/
      - homepage.description=$${image} # Will be replaced with 'lscr.io/linuxserver/emby:latest'

Other

No response

[mlofjard]

I've made a PR for this here: #4475
It may be possible to extend this in the future to cover #3818 as well. The API returns some network information that might be used to differentiate hosts.

[mlofjard]

I ended up bodging this together with a custom api widget and my WUD's api..

Label=homepage.group=Containers
Label=homepage.name=%N
Label=homepage.widget.type=customapi
Label=homepage.widget.url=http://wud.dns.podman:3000/api/containers?name=%N
Label=homepage.widget.display=list
Label=homepage.widget.mappings[0].field.0.image=name
Label=homepage.widget.mappings[0].additionalField.field.0.image.tag=value

%N here is the name of my systemd service, which I conveniently uses as the name for the container as well.

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