long text in laravel migration

1Schema::table('posts', function (Blueprint $table) {
2    $table->unsignedBigInteger('user_id');
3
4    $table->foreign('user_id')->references('id')->on('users');
5});
6OR
7Schema::table('posts', function (Blueprint $table) {
8    $table->foreignId('user_id')->constrained();
9});

1Schema::create('posts', function ($table) {
2    $table->increments('id');
3    $table->integer('user_id');
4    // ...
5    $table->longText('description');
6    // ...
7}
8