BookStack/database/migrations/2015_07_27_172342_create_chapters_table.php

<?php

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

class CreateChaptersTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('chapters', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('book_id');
            $table->string('slug')->indexed();
            $table->text('name');
            $table->text('description');
            $table->integer('priority');
            $table->nullableTimestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::drop('chapters');
    }
}