emails/api/common/Middleware/Logging.php

<?php
namespace ProVM\Common\Middleware;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use Psr\Log\LoggerInterface;
use function Safe\json_encode;

class Logging
{
    public function __construct(protected LoggerInterface $logger) {}

    public function __invoke(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        $response = $handler->handle($request);
        $output = [
            'uri' => var_export($request->getUri(), true),
            'body' => $request->getBody()->getContents(),
            'response' => (clone $response)->getBody()->getContents()
        ];
        $this->logger->info(json_encode($output, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
        return $response;
    }
}