Redo database migrations for pgsql

database/migrations/0046-create_taxes.php

@@ -0,0 +1,41 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+	/**
+	 * Run the migrations.
+	 *
+	 * @return void
+	 */
+	public function up()
+	{
+		Schema::create('taxes', function(Blueprint $table)
+		{
+			$table->id();
+
+			$table->string('zone',128)->nullable();
+			$table->text('description');
+			$table->float('rate', 10, 0);
+
+			$table->integer('country_id')->unsigned();
+			$table->foreign(['country_id'])->references(['id'])->on('countries');
+
+			$table->unique(['id','country_id']);
+			$table->unique(['country_id','zone']);
+		});
+	}
+
+	/**
+	 * Reverse the migrations.
+	 *
+	 * @return void
+	 */
+	public function down()
+	{
+		Schema::drop('taxes');
+	}
+};