laravel 8 app with more than one database

$blogs = DB::table("blog")->get();print_r($blogs);

<?php.....public function up(){    Schema::create('blog', function (Blueprint $table) {        $table->increments('id');        $table->string('title');        $table->string('body')->nullable();        $table->timestamps();    });}.....

<?php  class BlogController extends BaseController{    public function getRecord()    {        $blogModel = new Blog;        $blogModel->setConnection('mysql2');        $find = $blogModel->find(1);        return $find;    }}

<?php  use Illuminate\Support\Str;  return [       'default' => env('DB_CONNECTION', 'mysql'),       'connections' => [        .....           'mysql' => [            'driver' => 'mysql',            'url' => env('DATABASE_URL'),            'host' => env('DB_HOST', '127.0.0.1'),            'port' => env('DB_PORT', '3306'),            'database' => env('DB_DATABASE', 'forge'),            'username' => env('DB_USERNAME', 'forge'),            'password' => env('DB_PASSWORD', ''),            'unix_socket' => env('DB_SOCKET', ''),            'charset' => 'utf8mb4',            'collation' => 'utf8mb4_unicode_ci',            'prefix' => '',            'prefix_indexes' => true,            'strict' => true,            'engine' => null,            'options' => extension_loaded('pdo_mysql') ? array_filter([                PDO::MYSQL_ATTR_SSL_CA => env('MYSQL_ATTR_SSL_CA'),            ]) : [],        ],        'mysql2' => [            'driver' => env('DB_CONNECTION_SECOND'),            'host' => env('DB_HOST_SECOND', '127.0.0.1'),            'port' => env('DB_PORT_SECOND', '3306'),            'database' => env('DB_DATABASE_SECOND', 'forge'),            'username' => env('DB_USERNAME_SECOND', 'forge'),            'password' => env('DB_PASSWORD_SECOND', ''),            'unix_socket' => '',            'charset' => 'utf8mb4',            'collation' => 'utf8mb4_unicode_ci',            'prefix' => '',            'prefix_indexes' => true,            'strict' => true,            'engine' => null,        ],.....        

<?php  class BlogController extends BaseController{    public function getRecord()    {        $blogModel = new Blog;        $find = $blogModel->find(1);        return $find;    }}

DB_CONNECTION=mysqlDB_HOST=127.0.0.1DB_PORT=3306DB_DATABASE=mydatabaseDB_USERNAME=rootDB_PASSWORD=root   DB_CONNECTION_SECOND=mysqlDB_HOST_SECOND=127.0.0.1DB_PORT_SECOND=3306DB_DATABASE_SECOND=mydatabase2DB_USERNAME_SECOND=rootDB_PASSWORD_SECOND=root

<?php   namespace App;  use Illuminate\Database\Eloquent\Model;   class Blog extends Model{    protected $connection = 'mysql2';}

<?php   namespace App;  use Illuminate\Database\Eloquent\Model;   class Blog extends Model{}

$blogs = DB::connection('mysql2')->table("blog")->get();print_r($blogs);

<?php.....public function up(){    Schema::connection('mysql2')->create('blog', function (Blueprint $table) {        $table->increments('id');        $table->string('title');        $table->string('body')->nullable();        $table->timestamps();    });}.....