Problem with OnlyOffice and Nextcloud connection

Problem with OnlyOffice and Nextcloud connection

Error:
An error occurs when trying to connect:
“Error in the document service: Error while downloading the document file to be converted.” (version 8.2.2.22)

Configuration:

  1. Virtual machine running Nextcloud
  2. Virtual machine running OnlyOffice in Docker

Nextcloud Configuration

php

<?php
$CONFIG = array (
  'instanceid' => 'occp7l621xz7',
  'passwordsalt' => '0Au9nNOBmHvsHHo1T7GOVOrX5eQ/WD',
  'secret' => 'om2swIA9vb7jCDsj6VAKCK6+UNBzMwx/6d4MjtTUAR+T/M3y',
  'trusted_domains' =>
  array (
    0 => '10.1.2.71',
    1 => 'cloud.domen.com',
    2 => 'of.domen.com',
  ),
  'datadirectory' => '/var/www/nextcloud/data',
  'dbtype' => 'mysql',
  'version' => '30.0.0.14',
  'overwrite.cli.url' => 'https://my.domen.com',
  'dbname' => 'nextcloud',
  'dbhost' => 'localhost:3306',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => 'nextcloud_adm',
  'dbpassword' => 'pass',
  'installed' => true,
  'ldapProviderFactory' => 'OCA\\User_LDAP\\LDAPProviderFactory',
  'mail_smtpmode' => 'smtp',
  'mail_smtpauth' => 1,
  'mail_sendmailmode' => 'smtp',
  'mail_from_address' => 'maintenance',
  'mail_domain' => 'domen.com,
  'mail_smtphost' => 'smtp.domen.com',
  'mail_smtpport' => '465',
  'mail_smtpname' => 'maintenance@domen.com,
  'mail_smtppassword' => '3OuZQ1pHUQAec4bDgb6h',
  'mail_smtpsecure' => 'ssl',
  'config_is_read_only' => true,
  'maintenance_window_start' => 1,
  'onlyoffice' => array (
  'jwt_header' => 'AuthorizationJwt'
  ),
);

OnlyOffice Configuration

json

{
  "services": {
    "CoAuthoring": {
      "sql": {
        "type": "postgres",
        "dbHost": "localhost",
        "dbPort": "5432",
        "dbName": "onlyoffice",
        "dbUser": "onlyoffice",
        "dbPass": "onlyoffice"
      },
      "token": {
        "enable": {
          "request": {
            "inbox": false,
            "outbox": false
          },
          "browser": true
        },
        "inbox": {
          "header": "AuthorizationJwt",
          "inBody": false
        },
        "outbox": {
          "header": "AuthorizationJwt",
          "inBody": false
        }
      },
      "secret": {
        "inbox": {
          "string": "oboQ4uQHCysJ041SwmthSTslhOqjBY93",
          "enable": true
        },
        "outbox": {
          "string": "oboQ4uQHCysJ041SwmthSTslhOqjBY93",
          "enable": true
        },
        "session": {
          "string": "oboQ4uQHCysJ041SwmthSTslhOqjBY93",
          "enable": true
        }
      }
    }
  }
}

Change in default.json:
"rejectUnauthorized": false

Docker Run Command:

sudo docker run -i -t -d \
  --name onlyoffice-documentserver \
  --restart unless-stopped \
  -p 8080:80 \
  -p 9443:443 \
  -v /etc/ssl/onlyoffice:/etc/onlyoffice/ssl \
  -e SSL_CERTIFICATE_PATH="/etc/onlyoffice/ssl/fullchain.pem" \
  -e SSL_KEY_PATH="/etc/onlyoffice/ssl/priv.key" \
  -e SSL_ENABLED=true \
  -e JWT_ENABLED=true \
  -e ONLYOFFICE_SERVER_HOSTNAME="my.domen.com" \
  onlyoffice/documentserver

Hello, please redact your secrets from the configuration files.

The secret codes are the same, why change them?