.config/config.php

<?php
$CONFIG = array (
  'instanceid' => '...',
  'passwordsalt' => '...',
  'secret' => '...',
  'trusted_domains' =>
  array (
    0 => 'my_domain.com',
  ),
  'datadirectory' => '/var/www/nextcloud/data',
  'dbtype' => 'mysql',
  'version' => '21.0.1.1',
  'overwrite.cli.url' => 'https://my_domain.com/nextcloud',
  'dbname' => 'nextcloud',
  'dbhost' => 'localhost',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => 'nextcloud_user',
  'dbpassword' => '...',
  'installed' => true,
  "log_type" => "file",
  "logfile" => "/var/log/nextcloud.log",
  'logfilemode' => 0640,
  "loglevel" => "0",
  "logdateformat" => "F d, Y H:i:s",
  'maintenance' => false,
  'twofactor_enforced' => 'false',
  'twofactor_enforced_groups' =>
  array (
  ),
  'twofactor_enforced_excluded_groups' =>
  array (
  ),
  'updater.secret' => '...',
  'theme' => '',
  'loglevel' => 2,
  'filelocking.enabled' => false,
  'memcache.locking' => '\\OC\\Memcache\\Redis',
  'redis' =>
  array (
    'host' => 'localhost',
    'port' => 6379,
    'timeout' => 0.0,
    'password' => '',
  ),
);