DB_HOST=127.0.0.1
    DB_PORT=5432
    DB_DATABASE=carros
    DB_USERNAME=root
    DB_PASSWORD=senha_do_root

'pgsql' => [
        'driver'   => 'pgsql',
        'host'     => env('DB_HOST', '127.0.0.1'),
        'port'      => '5432',
        'database' => env('DB_DATABASE', 'carros'),
        'username' => env('DB_USERNAME', 'root'),
        'password' => env('DB_PASSWORD', 'senha_do_root'),
        'charset'  => 'utf8',
        'prefix'   => '',
        'schema'   => 'public',
    ],

'default' => env('DB_CONNECTION', 'mysql'),

'default' => env('DB_CONNECTION', 'pgsql'),