Laravel ミドルウェア: データベースの移行とバージョン管理をアプリケーションに追加します。

"require": {
    "illuminate/database": "^8.0"
}

'mysql' => [
    'driver' => 'mysql',
    'host' => env('DB_HOST', '127.0.0.1'),
    'port' => env('DB_PORT', '3306'),
    'database' => env('DB_DATABASE', 'forge'),
    'username' => env('DB_USERNAME', 'forge'),
    'password' => env('DB_PASSWORD', ''),
    'unix_socket' => env('DB_SOCKET', ''),
    'charset' => 'utf8mb4',
    'collation' => 'utf8mb4_unicode_ci',
    'prefix' => '',
    'strict' => true,
    'engine' => null,
],

php artisan make:middleware DatabaseMiddleware

<?php

namespace AppHttpMiddleware;

use Closure;
use IlluminateDatabaseMigrationsMigrator;

class DatabaseMiddleware
{
    /**
     * Handle an incoming request.
     *
     * @param  IlluminateHttpRequest  $request
     * @param  Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        $migrator = new Migrator(app('db'), app('migration.repository'));

        if ($this->needsMigration($migrator)) {
            $migrator->run(database_path('migrations'));
        }

        if ($this->needsSeeding($migrator)) {
            $migrator->run(database_path('seeds'));
        }

        return $next($request);
    }

    /**
     * Determine if the database needs to be migrated.
     *
     * @param  IlluminateDatabaseMigrationsMigrator  $migrator
     * @return bool
     */
    protected function needsMigration($migrator)
    {
        return count($migrator->pendingMigrations()) > 0;
    }

    /**
     * Determine if the database needs to be seeded.
     *
     * @param  IlluminateDatabaseMigrationsMigrator  $migrator
     * @return bool
     */
    protected function needsSeeding($migrator)
    {
        return $migrator->repositoryExists() && !$migrator->repositoryHasSeeded();
    }
}

'database' => AppHttpMiddlewareDatabaseMiddleware::class,

protected function mapWebRoutes()
{
    Route::middleware('web', 'database') // 添加 'database' 中间件
        ->namespace($this->namespace)
        ->group(base_path('routes/web.php'));
}