Database configuration file path is : config/database.php

Following are sample of database file :

'mysql' => [

'read' => [

'host' => 'localhost',

],

'write' => [

'host' => 'localhost'

],

'driver' => 'mysql',

'database' => 'database',

'username' => 'root',

'password' => '',

'charset' => 'utf8',

'collation' => 'utf8_unicode_ci',

'prefix' => '',

],