renovate.json

{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "customManagers": [
    {
      "customType": "regex",
      "fileMatch": [
        "^Dockerfile"
      ],
      "matchStrings": [
        "#\\s*renovate:\\s*datasource=(?<datasource>.*?) depName=(?<depName>.*?)( versioning=(?<versioning>.*?))?\\sENV .*?_VERSION=\"(?<currentValue>.*)\"\\s"
      ],
      "versioningTemplate": "{{#if versioning}}{{{versioning}}}{{else}}semver{{/if}}"
    }
  ],
  "extends": [
    "config:best-practices",
    ":disableDependencyDashboard",
    ":pinAllExceptPeerDependencies",
    ":maintainLockFilesWeekly"
  ],
  "packageRules": [
    {
      "automerge": true,
      "matchCurrentVersion": "!/^0/",
      "matchUpdateTypes": [
        "minor",
        "patch"
      ]
    },
    {
      "matchDatasources": [
        "docker"
      ],
      "matchPackageNames": [
        "ubuntu"
      ],
      "versioning": "regex:^(?<compatibility>[a-z]+)-?(?<minor>\\d+)?$"
    }
  ],
  "postUpdateOptions": [
    "gomodTidy"
  ],
  "prConcurrentLimit": 2
}