Laravel uuid migration.

migration-users.php

<?php

...
use Illuminate\Database\Query\Expression;
...

return new class extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('users', function (Blueprint $table) {
            $table->uuid('id')->primary()->unique()->default(new Expression('(UUID())'));
            ...
        });
    }
    ...
};