.github/renovate.json5

{
  $schema: 'https://docs.renovatebot.com/renovate-schema.json',
  baseBranchPatterns: ["develop"],
  labels: ["dependencies"],
  // Max 10 PRs in total, 10 per hour
  prConcurrentLimit: 10,
  prHourlyLimit: 10,
  customManagers: [
    {
      // See renovate docs https://docs.renovatebot.com/modules/manager/regex/
      customType: 'regex',
      managerFilePatterns: [
        '**/container.properties'
      ],
      matchStrings: [
        "(?:# renovate: versioning=(?<versioning>\\S+)\\n)?[\\w-]+\\.image=(?<registryUrl>[^/]+)/(?<depName>[^:]+):(?<currentValue>.+)"
      ],
      registryUrlTemplate: "https://{{{registryUrl}}}",
      datasourceTemplate: 'docker',
      versioningTemplate: '{{#if versioning}}{{{versioning}}}{{else}}docker{{/if}}'
    }
  ],
  // Dependabot handles everything else,
  // force renovate to only look for images used by test containers and the Maven wrapper
  enabledManagers: [
    'maven-wrapper',
    'custom.regex'
  ],
}