docker-compose-docker/renovate.json

{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "customManagers": [
    {
      "customType": "regex",
      "fileMatch": [
        "^Dockerfile$",
        "^README\\.md$"
      ],
      "matchStrings": [
        "ARG DC_VERSION=(?<currentValue>.*)",
        "IMAGE_VERSION=(?<currentValue>.*)"
      ],
      "datasourceTemplate": "github-releases",
      "depNameTemplate": "docker/compose",
      "versioningTemplate": "semver"
    }
  ],
  "extends": [
    "local>volker.raschek/renovate-config:default#master",
    "local>volker.raschek/renovate-config:container#master",
    "local>volker.raschek/renovate-config:actions#master",
    "local>volker.raschek/renovate-config:regexp#master"
  ],
  "packageRules": [
    {
      "addLabels": [
        "renovate/automerge"
      ],
      "automerge": true,
      "matchPackageNames": [
        "docker/compose"
      ],
      "matchManagers": [
        "regex"
      ],
      "matchUpdateTypes": [
        "minor",
        "patch"
      ]
    }
  ]
}