$ composer create-project --prefer-dist laravel/laravel laravel-auth-user "5.7.*"Copy

$ php artisan make:authCopy

...
DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=laravel-cache-auth
DB_USERNAME=root
DB_PASSWORD=
...Copy

$ php artisan migrateCopy

$ composer require barryvdh/laravel-debugbar --devCopy

$ composer require predis/predisCopy

...
CACHE_DRIVER=redis
CACHE_PREFIX=laravel-cache-user
...Copy

$ php artisan tinkerCopy

>>> Cache::put('data','success',1)Copy

>>> Cache::get('data')Copy

>>> Cache::put('data','success',1)
=> null
>>> Cache::get('data')
=> "success"
>>>Copy

<?php

namespace App\Helpers;

use Cache;
use App\User;
use Auth;

class CacheUser{ //cache-user class
    public static function user($id){
        if(!$id||$id<=0||!is_numeric($id)){return;} // if $id is not a reasonable integer, return false instead of checking users table

        return Cache::remember('cachedUser.'.$id, 30, function() use($id) {
            return User::find($id); // cache user instance for 30 minutes
        });
    }
}
Copy

'aliases' => [
...
'CacheUser' => App\Helpers\CacheUser::class,
...Copy

<?php
namespace App\Observers;

use Cache;
use App\User;

/**
 * User observer
 */
class UserObserver
{
    public function saved(User $user) // whenever there's update or create of user, renew cached instance
    {
        Cache::forget("cachedUser.{$user->id}");
    }
}
Copy

<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;
use App\Observers\UserObserver;
use App\User;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        //
    }

    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        User::observe(UserObserver::class);
    }
}
Copy

<?php
namespace App\Auth;
use App\User;
use Illuminate\Auth\EloquentUserProvider;
use Illuminate\Contracts\Hashing\Hasher as HasherContract;
use Illuminate\Support\Facades\Cache;
use CacheUser;
/**
 * Class CacheUserProvider
 * @package App\Auth
 */
class CacheUserProvider extends EloquentUserProvider
{
    /**
     * CacheUserProvider constructor.
     * @param HasherContract $hasher
     */
    public function __construct(HasherContract $hasher)
    {
        parent::__construct($hasher, User::class);
    }
    /**
     * @param mixed $identifier
     * @return \Illuminate\Contracts\Auth\Authenticatable|null
     */
    public function retrieveById($identifier)
    {
        return CacheUser::user($identifier);
    }

    public function retrieveByToken($identifier, $token)
    {
        $model = CacheUser::user($identifier);

        if (! $model) {
            return null;
        }

        $rememberToken = $model->getRememberToken();

        return $rememberToken && hash_equals($rememberToken, $token) ? $model : null;
    }
}
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<?php

namespace App\Providers;

use Illuminate\Support\Facades\Gate;
use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;
use App\Auth\CacheUserProvider;
use Illuminate\Support\Facades\Auth;

class AuthServiceProvider extends ServiceProvider
{
    /**
     * The policy mappings for the application.
     *
     * @var array
     */
    protected $policies = [
        'App\Model' => 'App\Policies\ModelPolicy',
    ];

    /**
     * Register any authentication / authorization services.
     *
     * @return void
     */
    public function boot()
    {
        $this->registerPolicies();

        Auth::provider('cache-user', function() {
            return resolve(CacheUserProvider::class);
        });
    }
}
Copy

...
'providers' => [
        'users' => [
            'driver' => 'cache-user', // modify to use cached user instance
            'model' => App\User::class,
        ],
...Copy

$ composer require laravel/passport:^7.0Copy

$ php artisan migrate
$ php artisan passport:installCopy

<?php

namespace App;

use Laravel\Passport\HasApiTokens;
...

class User extends Authenticatable
{
    use HasApiTokens, Notifiable;
...Copy

<?php

namespace App\Providers;

use Laravel\Passport\Passport;
use Illuminate\Support\Facades\Gate;
use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;
use App\Auth\CacheUserProvider;
use Illuminate\Support\Facades\Auth;
...

class AuthServiceProvider extends ServiceProvider
{

...
public function boot()
    {
        $this->registerPolicies();

        Auth::provider('cache-user', function() {
            return resolve(CacheUserProvider::class);
        });

        Passport::routes();
    }
Copy

'guards' => [
    'web' => [
        'driver' => 'session',
        'provider' => 'users',
    ],

    'api' => [
        'driver' => 'passport',
        'provider' => 'users',
    ],
],Copy