Slim4 - container callback not working with post

I just started using slim4 framework for REST API. It’s a big project, so i want to distrubed codes into multiple controllers. When I use GET method then it is working, but if i use POST then it’s giving 405 - method not allowed. Guide me how to use it for post method.

Index.php

use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Message\ResponseInterface as Response;
use Slim\Factory\AppFactory;
use Slim\Exception\NotFoundException;
use Slim\Exception\HttpMethodNotAllowedException;

include ‘vendor/autoload.php’;

global $app;
$app->post(’/auth/getotp’, \VTEL\Authentication\AuthController::class . ‘:getOTP’);

$app = AppFactory::create();
$app->addRoutingMiddleware();
$app->addErrorMiddleware(true, true, true);

AuthController.php

namespace VTEL\Authentication;

use Psr\Container\ContainerInterface as ContainerInterface;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Message\ResponseInterface as Response;

class AuthController
{
protected $version;
protected $container;

public function __construct()
{
    $this->version="1.0";
}

public function getVersion()
{
    return array('name'=>'AuthController', 'version'=>$this->version);
}

public function getOTP(Request $request, Response $response, $args)
{
    $vt_genotp_postdata = empty($request->getParsedBody())?array():$request->getParsedBody();
    $resoutput = json_encode(array('code'=>0,'message'=>'Success','data'=>$vt_genotp_postdata), JSON_PRETTY_PRINT);
    return $response->withStatus(200)->getBody()->write($resoutput)->withHeader('Content-Type', 'application/json');
}

}

Sorry, there is a mis-configuration in NGINX. This website is actually hosted on HTTPS but we are trying from HTTP. So all requests coming through HTTP converted as GET when it is passing to HTTPS. Thanks for all your views and support :slight_smile: