'providers' => [
    Tymon\JWTAuth\Providers\LaravelServiceProvider::class,
]

php artisan vendor:publish --provider="Tymon\JWTAuth\Providers\LaravelServiceProvider"

php artisan jwt:secret

JWT_SECRET=xxxxxx

<?php
namespace App;
use Tymon\JWTAuth\Contracts\JWTSubject;
use Illuminate\Notifications\Notifiable;
use Illuminate\Foundation\Auth\User as Authenticatable;
class User extends Authenticatable implements JWTSubject
{
    use Notifiable;
    // Rest omitted for brevity
    /**
     * Get the identifier that will be stored in the subject claim of the JWT.
     *
     * @return mixed
     */
    public function getJWTIdentifier()
    {
        return $this->getKey();
    }
    /**
     * Return a key value array, containing any custom claims to be added to the JWT.
     *
     * @return array
     */
    public function getJWTCustomClaims()
    {
        return [];
    }
}

'patients' => [
            'driver' => 'eloquent',
            'model' => App\Models\PatientUser::class,
        ],

'apipatient' => [
            'driver' => 'jwt',
            'provider' => 'patients',
        ],

'defaults' => [
        'guard' => 'apidoctor',
        'passwords' => 'users',
    ],

public function __construct()
    {
        $this->middleware('auth:api', ['except' => ['login']]);
    }

$credentials = request(['mobile', 'password']);
$token = auth($this->guard)->attempt($credentials)

$token = auth($this->guard)->login($uid);