Cannot get rid of the reverse proxy warning

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root@4e4cdcb389c0:/var/www/html# sudo -u www-data php occ config:system:set trusted_proxies 0 --value=192.168.64.3
System config value trusted_proxies => 0 set to string 192.168.64.3
root@4e4cdcb389c0:/var/www/html# sudo -u www-data php occ config:system:get trusted_proxies

root@4e4cdcb389c0:/var/www/html# 

root@4e4cdcb389c0:/var/www/html# cat config/config.php
<?php
$CONFIG = array (
  'htaccess.RewriteBase' => '/',
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'apps_paths' => 
  array (
    0 => 
    array (
      'path' => '/var/www/html/apps',
      'url' => '/apps',
      'writable' => false,
    ),
    1 => 
    array (
      'path' => '/var/www/html/custom_apps',
      'url' => '/custom_apps',
      'writable' => true,
    ),
  ),
  'trusted_proxies' => 
  array (
    0 => '192.168.64.3',
  ),
  'overwriteprotocol' => 'https',
  'instanceid' => 'xxx',
  'passwordsalt' => 'xxx',
  'secret' => 'xxx',
  'trusted_domains' => 
  array (
    0 => 'nextcloud.mydomain.com:7647',
  ),
  'datadirectory' => '/var/www/html/data',
  'dbtype' => 'mysql',
  'version' => '17.0.5.0',
  'overwrite.cli.url' => 'http://nextcloud.mydomain.com:7647',
  'dbname' => 'nextcloud',
  'dbhost' => 'nextcloud_db:3306',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => 'nextcloud',
  'dbpassword' => 'xxx',
  'installed' => true,
);