Add and drop foreign key in migration on production.

add_price_to_customer_orders_table.php

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::table('customer_orders', function (Blueprint $table) {
            $table->decimal('price', 9, 2)->default(0)->after('deadline');
            $table->decimal('min_price', 9, 2)->default(0)->after('price')->nullable();
            $table->foreignId('order_id')->after('min_price')->nullable()->constrained()->cascadeOnDelete();
            $table->text('observation')->after('order_id')->nullable();
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::table('customer_orders', function (Blueprint $table) {
            $table->dropColumn(['price', 'min_price', 'observation']);
            $table->dropForeign(['order_id']);
            $table->dropColumn('order_id');
        });
    }
};