{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "customManagers": [
    {
      "customType": "regex",
      "description": "Track ntfy binary in COPY --from",
      "managerFilePatterns": ["/^Dockerfile$/"],
      "matchStrings": ["COPY --from=binwiederhier/ntfy:(?<currentValue>[^\\s]+)"],
      "depNameTemplate": "binwiederhier/ntfy",
      "datasourceTemplate": "docker"
    }
  ]
}