Initial project structure with Slim skeleton

public/index.php

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+<?php
+declare(strict_types=1);
+
+use App\Application\Handlers\HttpErrorHandler;
+use App\Application\Handlers\ShutdownHandler;
+use App\Application\ResponseEmitter\ResponseEmitter;
+use App\Application\Settings\SettingsInterface;
+use DI\ContainerBuilder;
+use Slim\Factory\AppFactory;
+use Slim\Factory\ServerRequestCreatorFactory;
+
+require __DIR__ . '/../vendor/autoload.php';
+
+// Instantiate PHP-DI ContainerBuilder
+$containerBuilder = new ContainerBuilder();
+
+if (false) { // Should be set to true in production
+	$containerBuilder->enableCompilation(__DIR__ . '/../var/cache');
+}
+
+// Set up settings
+$settings = require __DIR__ . '/../app/settings.php';
+$settings($containerBuilder);
+
+// Set up dependencies
+$dependencies = require __DIR__ . '/../app/dependencies.php';
+$dependencies($containerBuilder);
+
+// Set up repositories
+$repositories = require __DIR__ . '/../app/repositories.php';
+$repositories($containerBuilder);
+
+// Build PHP-DI Container instance
+$container = $containerBuilder->build();
+
+// Instantiate the app
+AppFactory::setContainer($container);
+$app = AppFactory::create();
+$callableResolver = $app->getCallableResolver();
+
+// Register middleware
+$middleware = require __DIR__ . '/../app/middleware.php';
+$middleware($app);
+
+// Register routes
+$routes = require __DIR__ . '/../app/routes.php';
+$routes($app);
+
+/** @var SettingsInterface $settings */
+$settings = $container->get(SettingsInterface::class);
+
+$displayErrorDetails = $settings->get('displayErrorDetails');
+$logError = $settings->get('logError');
+$logErrorDetails = $settings->get('logErrorDetails');
+
+// Create Request object from globals
+$serverRequestCreator = ServerRequestCreatorFactory::create();
+$request = $serverRequestCreator->createServerRequestFromGlobals();
+
+// Create Error Handler
+$responseFactory = $app->getResponseFactory();
+$errorHandler = new HttpErrorHandler($callableResolver, $responseFactory);
+
+// Create Shutdown Handler
+$shutdownHandler = new ShutdownHandler($request, $errorHandler, $displayErrorDetails);
+register_shutdown_function($shutdownHandler);
+
+// Add Routing Middleware
+$app->addRoutingMiddleware();
+
+// Add Body Parsing Middleware
+$app->addBodyParsingMiddleware();
+
+// Add Error Middleware
+$errorMiddleware = $app->addErrorMiddleware($displayErrorDetails, $logError, $logErrorDetails);
+$errorMiddleware->setDefaultErrorHandler($errorHandler);
+
+// Run App & Emit Response
+$response = $app->handle($request);
+$responseEmitter = new ResponseEmitter();
+$responseEmitter->emit($response);