config_avatars.php

<?php
// Avatars definitions
$USERS = [
  'avm99963' => 'https://www.avm99963.com/images/avatar.jpg',
  'ccbot' => 'https://gerrit-avatars.avm99963.com/img/webmaster.png',
  'zuul' => 'https://gerrit-avatars.avm99963.com/img/zuul.svg',
  'weblate-bot' => 'https://gerrit-avatars.avm99963.com/img/weblate-bot.svg',
  // Add your avatar above this line!
];

$DEFAULT_AVATAR = 'https://gerrit-avatars.avm99963.com/img/default.png';