Connection failed SQLSTATE[HY000] [2002] No such file or directory issue

hello to all, sorry for inconvinience of my rookie questions, and may be english to…

But i have a question about how connect my vmware enviroment with icinga

i have already docker instance and i create correctly a database

MariaDB [(none)]> CREATE DATABASE vspheredb CHARACTER SET 'utf8mb4' COLLATE utf8mb4_bin;
Query OK, 1 row affected (0.002 sec)

MariaDB [(none)]> CREATE USER vspheredb@mysql IDENTIFIED BY 'icinga2022';
Query OK, 0 rows affected (0.011 sec)

MariaDB [(none)]> GRANT ALL ON vspheredb.* TO vspheredb@mysql;
Query OK, 0 rows affected, 1 warning (0.007 sec)

MariaDB [(none)]> show databases;
| Database           |
| director           |
| icingadb           |
| icingaweb          |
| information_schema |
| mysql              |
| performance_schema |
| sys                |
| vspheredb          |
8 rows in set (0.008 sec)

but when i need to apply all changes in UI i have view this error:

pls help me to solve this, with commands and settings correctly for review and monitoring all my vcenter appliances