Initial project structure with Slim skeleton

app/dependencies.php

@@ -0,0 +1,29 @@
+<?php
+declare(strict_types=1);
+
+use App\Application\Settings\SettingsInterface;
+use DI\ContainerBuilder;
+use Monolog\Handler\StreamHandler;
+use Monolog\Logger;
+use Monolog\Processor\UidProcessor;
+use Psr\Container\ContainerInterface;
+use Psr\Log\LoggerInterface;
+
+return function (ContainerBuilder $containerBuilder) {
+    $containerBuilder->addDefinitions([
+        LoggerInterface::class => function (ContainerInterface $c) {
+            $settings = $c->get(SettingsInterface::class);
+
+            $loggerSettings = $settings->get('logger');
+            $logger = new Logger($loggerSettings['name']);
+
+            $processor = new UidProcessor();
+            $logger->pushProcessor($processor);
+
+            $handler = new StreamHandler($loggerSettings['path'], $loggerSettings['level']);
+            $logger->pushHandler($handler);
+
+            return $logger;
+        },
+    ]);
+};

app/middleware.php

@@ -0,0 +1,9 @@
+<?php
+declare(strict_types=1);
+
+use App\Application\Middleware\SessionMiddleware;
+use Slim\App;
+
+return function (App $app) {
+    $app->add(SessionMiddleware::class);
+};

app/repositories.php

@@ -0,0 +1,13 @@
+<?php
+declare(strict_types=1);
+
+use App\Domain\User\UserRepository;
+use App\Infrastructure\Persistence\User\InMemoryUserRepository;
+use DI\ContainerBuilder;
+
+return function (ContainerBuilder $containerBuilder) {
+    // Here we map our UserRepository interface to its in memory implementation
+    $containerBuilder->addDefinitions([
+        UserRepository::class => \DI\autowire(InMemoryUserRepository::class),
+    ]);
+};

app/routes.php

@@ -0,0 +1,26 @@
+<?php
+declare(strict_types=1);
+
+use App\Application\Actions\User\ListUsersAction;
+use App\Application\Actions\User\ViewUserAction;
+use Psr\Http\Message\ResponseInterface as Response;
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Slim\App;
+use Slim\Interfaces\RouteCollectorProxyInterface as Group;
+
+return function (App $app) {
+    $app->options('/{routes:.*}', function (Request $request, Response $response) {
+        // CORS Pre-Flight OPTIONS Request Handler
+        return $response;
+    });
+
+    $app->get('/', function (Request $request, Response $response) {
+        $response->getBody()->write('Hello world!');
+        return $response;
+    });
+
+    $app->group('/users', function (Group $group) {
+        $group->get('', ListUsersAction::class);
+        $group->get('/{id}', ViewUserAction::class);
+    });
+};

app/settings.php

@@ -0,0 +1,26 @@
+<?php
+declare(strict_types=1);
+
+use App\Application\Settings\Settings;
+use App\Application\Settings\SettingsInterface;
+use DI\ContainerBuilder;
+use Monolog\Logger;
+
+return function (ContainerBuilder $containerBuilder) {
+
+    // Global Settings Object
+    $containerBuilder->addDefinitions([
+        SettingsInterface::class => function () {
+            return new Settings([
+                'displayErrorDetails' => true, // Should be set to false in production
+                'logError'            => false,
+                'logErrorDetails'     => false,
+                'logger' => [
+                    'name' => 'slim-app',
+                    'path' => isset($_ENV['docker']) ? 'php://stdout' : __DIR__ . '/../logs/app.log',
+                    'level' => Logger::DEBUG,
+                ],
+            ]);
+        }
+    ]);
+};