'sqlsrv' => [
    'driver' => 'sqlsrv',
    'host' => env('DB_HOST', 'localhost'),
    'database' => env('DB_DATABASE', 'forge'),
    'username' => env('DB_USERNAME', 'forge'),
    'password' => env('DB_PASSWORD', ''),
    'charset' => 'utf8',
    'prefix' => '',
],

'host' => env('DB_HOST', 'localhost'),

cp .env.example .env

DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=database_name
DB_USERNAME=user_name
DB_PASSWORD=user_password