config.php

<?php
$CONFIG = array (
  'htaccess.RewriteBase' => '/',
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'apps_paths' =>
  array (
    0 =>
    array (
      'path' => '/var/www/html/apps',
      'url' => '/apps',
      'writable' => false,
    ),
    1 =>
    array (
      'path' => '/var/www/html/custom_apps',
      'url' => '/custom_apps',
      'writable' => true,
    ),
  ),
  'instanceid' => '',
  'passwordsalt' => '',
  'secret' => '',
  'trusted_domains' =>
  array (
    0 => '',
    1 => ''
  ),
  'trusted_proxies' => [''],
  'overwritehost' => '',
  'overwriteprotocol' => '',
#  'overwritecondaddr' => '^$',
  'datadirectory' => '/var/www/html/data',
  'dbtype' => 'mysql',
  'version' => '25.0.2.3',
  'overwrite.cli.url' => '',
  'dbname' => 'nextcloud',
  'dbhost' => 'db',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => '',
  'dbpassword' => '',
  'installed' => true,
  'mail_smtpmode' => 'smtp',
  'mail_smtphost' => 'email.active24.com',
  'mail_sendmailmode' => 'smtp',
  'mail_smtpport' => '587',
  'mail_smtpsecure' => 'tls',
  'mail_from_address' => '',
  'mail_domain' => '',
  'mail_smtpauth' => 1,
  'mail_smtpname' => '',
  'mail_smtppassword' => '',
  'default_phone_region' => 'CZ',
  #
  # https://github.com/nextcloud/mail/issues/3080#issuecomment-626452065
  #'imap_max_line_length' => '1M',
  #'debug' => true,
  #'loglevel' => 0,
);