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Kitematic error configuring mysql wordpress

I work with kitematic. I downloaded mysql and wordpress.

This the configuration of mysql

IP&PORTS

3306/tcp localhost:32820
33060/tcp localhost:32819

Settings

MYSQL_ROOT_PASSWORD XXX
MYSQL_DATABASE wordpress
MYSQL_PASSWORD wordpress
MYSQL_USER wordpress

Configuration wordpress

ports

80 localhost:32822
localhost

Settings

WORDPRESS_DB_PASSWORD XXX
WORDPRESS_DB_HOST localhost:3306
WORDPRESS_DB_USER wordpress
WORDPRESS_DB_NAME wordpress

File wp-config.php

define( ‘DB_NAME’, ‘wordpress’);

/** MySQL database username */

define( ‘DB_USER’, ‘root’);

/** MySQL database password */

define( ‘DB_PASSWORD’, ‘’);

/** MySQL hostname */

define( ‘DB_HOST’, ‘localhost:3306’);

/** Database Charset to use in creating database tables. */

define( ‘DB_CHARSET’, ‘utf8’);

/** The Database Collate type. Don’t change this if in doubt. */

define( ‘DB_COLLATE’, ‘’);

File /etc/hosts

127.0.0.1 localhost
255.255.255.255 broadcasthost
::1 localhost

I get this error trace

WordPress not found in /var/www/html - copying now…
Complete! WordPress has been successfully copied to /var/www/html
[30-Apr-2019 14:30:37 UTC] PHP Warning: mysqli::__construct(): (HY000/2002): No such file or directory in Standard input code on line 22

MySQL Connection Error: (2002) No such file or directory

MySQL Connection Error: (2002) No such file or directory

MySQL Connection Error: (2002) No such file or directory

MySQL Connection Error: (2002) No such file or directory

MySQL Connection Error: (2002) No such file or directory

MySQL Connection Error: (2002) No such file or directory

MySQL Connection Error: (2002) No such file or directory

MySQL Connection Error: (2002) No such file or directory

MySQL Connection Error: (2002) No such file or directory

MySQL Connection Error: (2002) No such file or directory

WARNING: unable to establish a database connection to ‘localhost:3306’
continuing anyways (which might have unexpected results)

AH00558: apache2: Could not reliably determine the server’s fully qualified domain name, using 172.17.0.2. Set the ‘ServerName’ directive globally to suppress this message
AH00558: apache2: Could not reliably determine the server’s fully qualified domain name, using 172.17.0.2. Set the ‘ServerName’ directive globally to suppress this message
[Tue Apr 30 14:31:04.667463 2019] [mpm_prefork:notice] [pid 1] AH00163: Apache/2.4.25 (Debian) PHP/7.2.17 configured – resuming normal operations
[Tue Apr 30 14:31:04.667573 2019] [core:notice] [pid 1] AH00094: Command line: ‘apache2 -D FOREGROUND’
172.17.0.1 - - [30/Apr/2019:14:32:31 +0000] “GET / HTTP/1.1” 500 558 “-” “Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Kitematic/0.17.6 Chrome/59.0.3071.115 Electron/1.8.8 Safari/537.36”
172.17.0.1 - - [30/Apr/2019:14:34:45 +0000] “GET / HTTP/1.1” 500 558 “-” “Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36”
172.17.0.1 - - [30/Apr/2019:14:34:45 +0000] “GET /favicon.ico HTTP/1.1” 200 229 “http://localhost:32822/” “Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36”
172.17.0.1 - - [30/Apr/2019:14:35:22 +0000] “GET / HTTP/1.1” 500 558 “-” “Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Kitematic/0.17.6 Chrome/59.0.3071.115 Electron/1.8.8 Safari/537.36”
172.17.0.1 - - [30/Apr/2019:15:10:03 +0000] “GET / HTTP/1.1” 500 558 “-” “Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Kitematic/0.17.6 Chrome/59.0.3071.115 Electron/1.8.8 Safari/537.36”
172.17.0.1 - - [30/Apr/2019:15:10:14 +0000] “GET / HTTP/1.1” 500 558 “-” “Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Kitematic/0.17.6 Chrome/59.0.3071.115 Electron/1.8.8 Safari/537.36”

How can I fix this error?