{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "enabledManagers": [
    "custom.regex"
  ],
  "customManagers": [
    {
      "customType": "regex",
      "managerFilePatterns": ["/^Dockerfile$/"],
      "matchStrings": [
        "# renovate: datasource=(?<datasource>[a-z-]+?)(?: packageName=(?<packageName>.+?))? (?: versioning=(?<versioning>[a-z-]+?))?\\s(?:ENV|ARG) .+?_VERSION=(?<currentValue>.+?)\\s"
      ]
    }
  ]
}