{
  $schema: 'https://docs.renovatebot.com/renovate-schema.json',
  extends: [
    'config:base',
    ':dependencyDashboard',
    ':labels(dependencies)',
    ':maintainLockFilesMonthly', // update non-direct dependencies monthly
    ':prConcurrentLimit10', // only 10 open PRs at the same time
  ],
  stabilityDays: 3, // Wait 3 days after the package has been published before upgrading it
  // packageRules order is important, they are applied from top to bottom and are merged,
  // so for example grouping rules needs to be at the bottom
  packageRules: [
    {
      // Ignore major version bumps for these node packages
      matchManagers: ['npm'],
      matchPackageNames: [
        '@rails/ujs', // Needs to match the major Rails version
        'tesseract.js', // Requires code changes
        'react-hotkeys', // Requires code changes

        // Requires Webpacker upgrade or replacement
        '@types/webpack',
        'babel-loader',
        'compression-webpack-plugin',
        'css-loader',
        'imports-loader',
        'mini-css-extract-plugin',
        'postcss-loader',
        'sass-loader',
        'terser-webpack-plugin',
        'webpack',
        'webpack-assets-manifest',
        'webpack-bundle-analyzer',
        'webpack-dev-server',
        'webpack-cli',

        // react-router: Requires manual upgrade
        'history',
        'react-router-dom',
      ],
      matchUpdateTypes: ['major'],
      enabled: false,
    },
    {
      // Ignore major version bumps for these Ruby packages
      matchManagers: ['bundler'],
      matchPackageNames: [
        'sprockets', // Requires manual upgrade https://github.com/rails/sprockets/blob/master/UPGRADING.md#guide-to-upgrading-from-sprockets-3x-to-4x
        'strong_migrations', // Requires manual upgrade
        'sidekiq', // Requires manual upgrade
        'sidekiq-unique-jobs', // Requires manual upgrades and sync with Sidekiq version
        'redis', // Requires manual upgrade and sync with Sidekiq version
        'fog-openstack', // TODO: was ignored in https://github.com/mastodon/mastodon/pull/13964

        // Needs major Rails version bump
        'rack',
        'rails',
        'rails-i18n',
      ],
      matchUpdateTypes: ['major'],
      enabled: false,
    },
    {
      // Update Github Actions and Docker images weekly
      matchManagers: ['github-actions', 'dockerfile', 'docker-compose'],
      extends: ['schedule:weekly'],
    },
    {
      // Ignore major & minor bumps for the ruby image, this needs to be synced with .ruby-version
      matchManagers: ['dockerfile'],
      matchPackageNames: ['moritzheiber/ruby-jemalloc'],
      matchUpdateTypes: ['minor', 'major'],
      enabled: false,
    },
    {
      // Ignore major bump for the node image, this needs to be synced with .nvmrc
      matchManagers: ['dockerfile'],
      matchPackageNames: ['node'],
      matchUpdateTypes: ['major'],
      enabled: false,
    },
    {
      // Ignore major postgres bumps in the docker-compose file, as those break dev environments
      matchManagers: ['docker-compose'],
      matchPackageNames: ['postgres'],
      matchUpdateTypes: ['major'],
      enabled: false,
    },
    {
      // Update devDependencies every week, with one grouped PR
      matchDepTypes: 'devDependencies',
      matchUpdateTypes: ['patch', 'minor'],
      excludePackageNames: [
        'typescript', // Typescript has many changes in minor versions, needs to be checked every time
      ],
      groupName: 'devDependencies (non-major)',
      extends: ['schedule:weekly'],
    },
    {
      // Update @types/* packages every week, with one grouped PR
      matchPackagePrefixes: '@types/',
      matchUpdateTypes: ['patch', 'minor'],
      groupName: 'DefinitelyTyped types (non-major)',
      extends: ['schedule:weekly'],
      addLabels: ['typescript'],
    },
    // Add labels depending on package manager
    { matchManagers: ['npm', 'nvm'], addLabels: ['javascript'] },
    { matchManagers: ['bundler', 'ruby-version'], addLabels: ['ruby'] },
    { matchManagers: ['docker-compose', 'dockerfile'], addLabels: ['docker'] },
    { matchManagers: ['github-actions'], addLabels: ['github_actions'] },
  ],
}