Base Setup

.env

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+# In all environments, the following files are loaded if they exist,
+# the latter taking precedence over the former:
+#
+#  * .env                contains default values for the environment variables needed by the app
+#  * .env.local          uncommitted file with local overrides
+#  * .env.$APP_ENV       committed environment-specific defaults
+#  * .env.$APP_ENV.local uncommitted environment-specific overrides
+#
+# Real environment variables win over .env files.
+#
+# DO NOT DEFINE PRODUCTION SECRETS IN THIS FILE NOR IN ANY OTHER COMMITTED FILES.
+#
+# Run "composer dump-env prod" to compile .env files for production use (requires symfony/flex >=1.2).
+# https://symfony.com/doc/current/best_practices.html#use-environment-variables-for-infrastructure-configuration
+
+###> symfony/framework-bundle ###
+APP_ENV=dev
+APP_SECRET=ccc7cfd437a9e503b71ff53faafe8c4e
+#TRUSTED_PROXIES=127.0.0.0/8,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16
+#TRUSTED_HOSTS='^(localhost|example\.com)$'
+###< symfony/framework-bundle ###
+
+###> doctrine/doctrine-bundle ###
+# Format described at https://www.doctrine-project.org/projects/doctrine-dbal/en/latest/reference/configuration.html#connecting-using-a-url
+# For an SQLite database, use: "sqlite:///%kernel.project_dir%/var/data.db"
+# For a PostgreSQL database, use: "postgresql://db_user:db_password@127.0.0.1:5432/db_name?serverVersion=11&charset=utf8"
+# IMPORTANT: You MUST configure your server version, either here or in config/packages/doctrine.yaml
+DATABASE_URL=sqlite:///%kernel.project_dir%/var/data.db
+###< doctrine/doctrine-bundle ###

.gitignore

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+
+###> symfony/framework-bundle ###
+/.env.local
+/.env.local.php
+/.env.*.local
+/config/secrets/prod/prod.decrypt.private.php
+/public/bundles/
+/var/
+/vendor/
+###< symfony/framework-bundle ###

bin/console

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+#!/usr/bin/env php
+<?php
+
+use App\Kernel;
+use Symfony\Bundle\FrameworkBundle\Console\Application;
+use Symfony\Component\Console\Input\ArgvInput;
+use Symfony\Component\ErrorHandler\Debug;
+
+if (!in_array(PHP_SAPI, ['cli', 'phpdbg', 'embed'], true)) {
+    echo 'Warning: The console should be invoked via the CLI version of PHP, not the '.PHP_SAPI.' SAPI'.PHP_EOL;
+}
+
+set_time_limit(0);
+
+require dirname(__DIR__).'/vendor/autoload.php';
+
+if (!class_exists(Application::class)) {
+    throw new LogicException('You need to add "symfony/framework-bundle" as a Composer dependency.');
+}
+
+$input = new ArgvInput();
+if (null !== $env = $input->getParameterOption(['--env', '-e'], null, true)) {
+    putenv('APP_ENV='.$_SERVER['APP_ENV'] = $_ENV['APP_ENV'] = $env);
+}
+
+if ($input->hasParameterOption('--no-debug', true)) {
+    putenv('APP_DEBUG='.$_SERVER['APP_DEBUG'] = $_ENV['APP_DEBUG'] = '0');
+}
+
+require dirname(__DIR__).'/config/bootstrap.php';
+
+if ($_SERVER['APP_DEBUG']) {
+    umask(0000);
+
+    if (class_exists(Debug::class)) {
+        Debug::enable();
+    }
+}
+
+$kernel = new Kernel($_SERVER['APP_ENV'], (bool) $_SERVER['APP_DEBUG']);
+$application = new Application($kernel);
+$application->run($input);

composer.json

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+{
+    "type": "project",
+    "license": "GPL-2.0-or-later",
+    "require": {
+        "php": "^7.2.5",
+        "ext-ctype": "*",
+        "ext-iconv": "*",
+        "symfony/console": "5.0.*",
+        "symfony/dotenv": "5.0.*",
+        "symfony/flex": "^1.3.1",
+        "symfony/framework-bundle": "5.0.*",
+        "symfony/orm-pack": "^1.0",
+        "symfony/twig-pack": "^1.0",
+        "symfony/yaml": "5.0.*"
+    },
+    "require-dev": {
+    },
+    "config": {
+        "preferred-install": {
+            "*": "dist"
+        },
+        "sort-packages": true
+    },
+    "autoload": {
+        "psr-4": {
+            "App\\": "src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "App\\Tests\\": "tests/"
+        }
+    },
+    "replace": {
+        "paragonie/random_compat": "2.*",
+        "symfony/polyfill-ctype": "*",
+        "symfony/polyfill-iconv": "*",
+        "symfony/polyfill-php72": "*",
+        "symfony/polyfill-php71": "*",
+        "symfony/polyfill-php70": "*",
+        "symfony/polyfill-php56": "*"
+    },
+    "scripts": {
+        "auto-scripts": {
+            "cache:clear": "symfony-cmd",
+            "assets:install %PUBLIC_DIR%": "symfony-cmd"
+        },
+        "post-install-cmd": [
+            "@auto-scripts"
+        ],
+        "post-update-cmd": [
+            "@auto-scripts"
+        ]
+    },
+    "conflict": {
+        "symfony/symfony": "*"
+    },
+    "extra": {
+        "symfony": {
+            "allow-contrib": false,
+            "require": "5.0.*"
+        }
+    }
+}

config/bootstrap.php

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+<?php
+
+use Symfony\Component\Dotenv\Dotenv;
+
+require dirname(__DIR__).'/vendor/autoload.php';
+
+if (!class_exists(Dotenv::class)) {
+    throw new LogicException('Please run "composer require symfony/dotenv" to load the ".env" files configuring the application.');
+}
+
+// Load cached env vars if the .env.local.php file exists
+// Run "composer dump-env prod" to create it (requires symfony/flex >=1.2)
+if (is_array($env = @include dirname(__DIR__).'/.env.local.php') && (!isset($env['APP_ENV']) || ($_SERVER['APP_ENV'] ?? $_ENV['APP_ENV'] ?? $env['APP_ENV']) === $env['APP_ENV'])) {
+    (new Dotenv(false))->populate($env);
+} else {
+    // load all the .env files
+    (new Dotenv(false))->loadEnv(dirname(__DIR__).'/.env');
+}
+
+$_SERVER += $_ENV;
+$_SERVER['APP_ENV'] = $_ENV['APP_ENV'] = ($_SERVER['APP_ENV'] ?? $_ENV['APP_ENV'] ?? null) ?: 'dev';
+$_SERVER['APP_DEBUG'] = $_SERVER['APP_DEBUG'] ?? $_ENV['APP_DEBUG'] ?? 'prod' !== $_SERVER['APP_ENV'];
+$_SERVER['APP_DEBUG'] = $_ENV['APP_DEBUG'] = (int) $_SERVER['APP_DEBUG'] || filter_var($_SERVER['APP_DEBUG'], FILTER_VALIDATE_BOOLEAN) ? '1' : '0';

config/bundles.php

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+<?php
+
+return [
+    Symfony\Bundle\FrameworkBundle\FrameworkBundle::class => ['all' => true],
+    Doctrine\Bundle\DoctrineBundle\DoctrineBundle::class => ['all' => true],
+    Doctrine\Bundle\MigrationsBundle\DoctrineMigrationsBundle::class => ['all' => true],
+    Symfony\Bundle\TwigBundle\TwigBundle::class => ['all' => true],
+    Twig\Extra\TwigExtraBundle\TwigExtraBundle::class => ['all' => true],
+];

config/packages/cache.yaml

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+framework:
+    cache:
+        # Unique name of your app: used to compute stable namespaces for cache keys.
+        #prefix_seed: your_vendor_name/app_name
+
+        # The "app" cache stores to the filesystem by default.
+        # The data in this cache should persist between deploys.
+        # Other options include:
+
+        # Redis
+        #app: cache.adapter.redis
+        #default_redis_provider: redis://localhost
+
+        # APCu (not recommended with heavy random-write workloads as memory fragmentation can cause perf issues)
+        #app: cache.adapter.apcu
+
+        # Namespaced pools use the above "app" backend by default
+        #pools:
+            #my.dedicated.cache: null

config/packages/doctrine.yaml

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+doctrine:
+    dbal:
+        url: '%env(resolve:DATABASE_URL)%'
+
+        # IMPORTANT: You MUST configure your server version,
+        # either here or in the DATABASE_URL env var (see .env file)
+        #server_version: '5.7'
+    orm:
+        auto_generate_proxy_classes: true
+        naming_strategy: doctrine.orm.naming_strategy.underscore_number_aware
+        auto_mapping: true
+        mappings:
+            App:
+                is_bundle: false
+                type: annotation
+                dir: '%kernel.project_dir%/src/Entity'
+                prefix: 'App\Entity'
+                alias: App

config/packages/doctrine_migrations.yaml

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+doctrine_migrations:
+    dir_name: '%kernel.project_dir%/src/Migrations'
+    # namespace is arbitrary but should be different from App\Migrations
+    # as migrations classes should NOT be autoloaded
+    namespace: DoctrineMigrations

config/packages/framework.yaml

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+framework:
+    secret: '%env(APP_SECRET)%'
+    #csrf_protection: true
+    #http_method_override: true
+
+    # Enables session support. Note that the session will ONLY be started if you read or write from it.
+    # Remove or comment this section to explicitly disable session support.
+    session:
+        handler_id: null
+        cookie_secure: auto
+        cookie_samesite: lax
+
+    #esi: true
+    #fragments: true
+    php_errors:
+        log: true

config/packages/prod/doctrine.yaml

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+doctrine:
+    orm:
+        auto_generate_proxy_classes: false
+        metadata_cache_driver:
+            type: pool
+            pool: doctrine.system_cache_pool
+        query_cache_driver:
+            type: pool
+            pool: doctrine.system_cache_pool
+        result_cache_driver:
+            type: pool
+            pool: doctrine.result_cache_pool
+
+framework:
+    cache:
+        pools:
+            doctrine.result_cache_pool:
+                adapter: cache.app
+            doctrine.system_cache_pool:
+                adapter: cache.system

config/packages/prod/routing.yaml

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+framework:
+    router:
+        strict_requirements: null

config/packages/routing.yaml

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+framework:
+    router:
+        utf8: true

config/packages/test/framework.yaml

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+framework:
+    test: true
+    session:
+        storage_id: session.storage.mock_file

config/packages/test/twig.yaml

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+twig:
+    strict_variables: true

config/packages/twig.yaml

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+twig:
+    default_path: '%kernel.project_dir%/templates'

config/routes.yaml

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+#index:
+#    path: /
+#    controller: App\Controller\DefaultController::index

config/routes/annotations.yaml

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+controllers:
+    resource: ../../src/Controller/
+    type: annotation
+
+kernel:
+    resource: ../../src/Kernel.php
+    type: annotation

config/routes/dev/framework.yaml

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+_errors:
+    resource: '@FrameworkBundle/Resources/config/routing/errors.xml'
+    prefix: /_error

config/services.yaml

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+# This file is the entry point to configure your own services.
+# Files in the packages/ subdirectory configure your dependencies.
+
+# Put parameters here that don't need to change on each machine where the app is deployed
+# https://symfony.com/doc/current/best_practices/configuration.html#application-related-configuration
+parameters:
+
+services:
+    # default configuration for services in *this* file
+    _defaults:
+        autowire: true      # Automatically injects dependencies in your services.
+        autoconfigure: true # Automatically registers your services as commands, event subscribers, etc.
+
+    # makes classes in src/ available to be used as services
+    # this creates a service per class whose id is the fully-qualified class name
+    App\:
+        resource: '../src/*'
+        exclude: '../src/{DependencyInjection,Entity,Migrations,Tests,Kernel.php}'
+
+    # controllers are imported separately to make sure services can be injected
+    # as action arguments even if you don't extend any base controller class
+    App\Controller\:
+        resource: '../src/Controller'
+        tags: ['controller.service_arguments']
+
+    # add more service definitions when explicit configuration is needed
+    # please note that last definitions always *replace* previous ones

public/index.php

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+<?php
+
+use App\Kernel;
+use Symfony\Component\ErrorHandler\Debug;
+use Symfony\Component\HttpFoundation\Request;
+
+require dirname(__DIR__).'/config/bootstrap.php';
+
+if ($_SERVER['APP_DEBUG']) {
+    umask(0000);
+
+    Debug::enable();
+}
+
+if ($trustedProxies = $_SERVER['TRUSTED_PROXIES'] ?? false) {
+    Request::setTrustedProxies(explode(',', $trustedProxies), Request::HEADER_X_FORWARDED_ALL ^ Request::HEADER_X_FORWARDED_HOST);
+}
+
+if ($trustedHosts = $_SERVER['TRUSTED_HOSTS'] ?? false) {
+    Request::setTrustedHosts([$trustedHosts]);
+}
+
+$kernel = new Kernel($_SERVER['APP_ENV'], (bool) $_SERVER['APP_DEBUG']);
+$request = Request::createFromGlobals();
+$response = $kernel->handle($request);
+$response->send();
+$kernel->terminate($request, $response);

src/Kernel.php

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+<?php
+
+namespace App;
+
+use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
+use Symfony\Component\Config\Loader\LoaderInterface;
+use Symfony\Component\Config\Resource\FileResource;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\HttpKernel\Kernel as BaseKernel;
+use Symfony\Component\Routing\RouteCollectionBuilder;
+
+class Kernel extends BaseKernel
+{
+    use MicroKernelTrait;
+
+    private const CONFIG_EXTS = '.{php,xml,yaml,yml}';
+
+    public function registerBundles(): iterable
+    {
+        $contents = require $this->getProjectDir().'/config/bundles.php';
+        foreach ($contents as $class => $envs) {
+            if ($envs[$this->environment] ?? $envs['all'] ?? false) {
+                yield new $class();
+            }
+        }
+    }
+
+    public function getProjectDir(): string
+    {
+        return \dirname(__DIR__);
+    }
+
+    protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader): void
+    {
+        $container->addResource(new FileResource($this->getProjectDir().'/config/bundles.php'));
+        $container->setParameter('container.dumper.inline_class_loader', \PHP_VERSION_ID < 70400 || $this->debug);
+        $container->setParameter('container.dumper.inline_factories', true);
+        $confDir = $this->getProjectDir().'/config';
+
+        $loader->load($confDir.'/{packages}/*'.self::CONFIG_EXTS, 'glob');
+        $loader->load($confDir.'/{packages}/'.$this->environment.'/*'.self::CONFIG_EXTS, 'glob');
+        $loader->load($confDir.'/{services}'.self::CONFIG_EXTS, 'glob');
+        $loader->load($confDir.'/{services}_'.$this->environment.self::CONFIG_EXTS, 'glob');
+    }
+
+    protected function configureRoutes(RouteCollectionBuilder $routes): void
+    {
+        $confDir = $this->getProjectDir().'/config';
+
+        $routes->import($confDir.'/{routes}/'.$this->environment.'/*'.self::CONFIG_EXTS, '/', 'glob');
+        $routes->import($confDir.'/{routes}/*'.self::CONFIG_EXTS, '/', 'glob');
+        $routes->import($confDir.'/{routes}'.self::CONFIG_EXTS, '/', 'glob');
+    }
+}

symfony.lock

@@ -0,0 +1,265 @@
+{
+    "doctrine/annotations": {
+        "version": "1.0",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "1.0",
+            "ref": "a2759dd6123694c8d901d0ec80006e044c2e6457"
+        },
+        "files": [
+            "config/routes/annotations.yaml"
+        ]
+    },
+    "doctrine/cache": {
+        "version": "1.10.0"
+    },
+    "doctrine/collections": {
+        "version": "1.6.5"
+    },
+    "doctrine/common": {
+        "version": "2.13.1"
+    },
+    "doctrine/dbal": {
+        "version": "2.10.2"
+    },
+    "doctrine/doctrine-bundle": {
+        "version": "2.0",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "2.0",
+            "ref": "a9f2463b9f73efe74482f831f03a204a41328555"
+        },
+        "files": [
+            "config/packages/doctrine.yaml",
+            "config/packages/prod/doctrine.yaml",
+            "src/Entity/.gitignore",
+            "src/Repository/.gitignore"
+        ]
+    },
+    "doctrine/doctrine-migrations-bundle": {
+        "version": "1.2",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "1.2",
+            "ref": "c1431086fec31f17fbcfe6d6d7e92059458facc1"
+        },
+        "files": [
+            "config/packages/doctrine_migrations.yaml",
+            "src/Migrations/.gitignore"
+        ]
+    },
+    "doctrine/event-manager": {
+        "version": "1.1.0"
+    },
+    "doctrine/inflector": {
+        "version": "1.4.2"
+    },
+    "doctrine/instantiator": {
+        "version": "1.3.0"
+    },
+    "doctrine/lexer": {
+        "version": "1.2.1"
+    },
+    "doctrine/migrations": {
+        "version": "2.2.1"
+    },
+    "doctrine/orm": {
+        "version": "v2.7.2"
+    },
+    "doctrine/persistence": {
+        "version": "1.3.7"
+    },
+    "doctrine/reflection": {
+        "version": "1.2.1"
+    },
+    "jdorn/sql-formatter": {
+        "version": "v1.2.17"
+    },
+    "ocramius/package-versions": {
+        "version": "1.5.1"
+    },
+    "ocramius/proxy-manager": {
+        "version": "2.2.3"
+    },
+    "php": {
+        "version": "7.3"
+    },
+    "psr/cache": {
+        "version": "1.0.1"
+    },
+    "psr/container": {
+        "version": "1.0.0"
+    },
+    "psr/event-dispatcher": {
+        "version": "1.0.0"
+    },
+    "psr/log": {
+        "version": "1.1.3"
+    },
+    "symfony/cache": {
+        "version": "v5.0.8"
+    },
+    "symfony/cache-contracts": {
+        "version": "v2.0.1"
+    },
+    "symfony/config": {
+        "version": "v5.0.8"
+    },
+    "symfony/console": {
+        "version": "4.4",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "4.4",
+            "ref": "ea8c0eda34fda57e7d5cd8cbd889e2a387e3472c"
+        },
+        "files": [
+            "bin/console",
+            "config/bootstrap.php"
+        ]
+    },
+    "symfony/dependency-injection": {
+        "version": "v5.0.8"
+    },
+    "symfony/doctrine-bridge": {
+        "version": "v5.0.8"
+    },
+    "symfony/dotenv": {
+        "version": "v5.0.8"
+    },
+    "symfony/error-handler": {
+        "version": "v5.0.8"
+    },
+    "symfony/event-dispatcher": {
+        "version": "v5.0.8"
+    },
+    "symfony/event-dispatcher-contracts": {
+        "version": "v2.0.1"
+    },
+    "symfony/filesystem": {
+        "version": "v5.0.8"
+    },
+    "symfony/finder": {
+        "version": "v5.0.8"
+    },
+    "symfony/flex": {
+        "version": "1.0",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "1.0",
+            "ref": "c0eeb50665f0f77226616b6038a9b06c03752d8e"
+        },
+        "files": [
+            ".env"
+        ]
+    },
+    "symfony/framework-bundle": {
+        "version": "4.4",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "4.4",
+            "ref": "36d3075b2b8e0c4de0e82356a86e4c4a4eb6681b"
+        },
+        "files": [
+            "config/bootstrap.php",
+            "config/packages/cache.yaml",
+            "config/packages/framework.yaml",
+            "config/packages/test/framework.yaml",
+            "config/routes/dev/framework.yaml",
+            "config/services.yaml",
+            "public/index.php",
+            "src/Controller/.gitignore",
+            "src/Kernel.php"
+        ]
+    },
+    "symfony/http-foundation": {
+        "version": "v5.0.8"
+    },
+    "symfony/http-kernel": {
+        "version": "v5.0.8"
+    },
+    "symfony/mime": {
+        "version": "v5.0.8"
+    },
+    "symfony/orm-pack": {
+        "version": "v1.0.8"
+    },
+    "symfony/polyfill-intl-idn": {
+        "version": "v1.17.0"
+    },
+    "symfony/polyfill-mbstring": {
+        "version": "v1.17.0"
+    },
+    "symfony/polyfill-php73": {
+        "version": "v1.17.0"
+    },
+    "symfony/routing": {
+        "version": "4.2",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "4.2",
+            "ref": "683dcb08707ba8d41b7e34adb0344bfd68d248a7"
+        },
+        "files": [
+            "config/packages/prod/routing.yaml",
+            "config/packages/routing.yaml",
+            "config/routes.yaml"
+        ]
+    },
+    "symfony/service-contracts": {
+        "version": "v2.0.1"
+    },
+    "symfony/stopwatch": {
+        "version": "v5.0.8"
+    },
+    "symfony/translation-contracts": {
+        "version": "v2.0.1"
+    },
+    "symfony/twig-bridge": {
+        "version": "v5.0.8"
+    },
+    "symfony/twig-bundle": {
+        "version": "5.0",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "5.0",
+            "ref": "fab9149bbaa4d5eca054ed93f9e1b66cc500895d"
+        },
+        "files": [
+            "config/packages/test/twig.yaml",
+            "config/packages/twig.yaml",
+            "templates/base.html.twig"
+        ]
+    },
+    "symfony/twig-pack": {
+        "version": "v1.0.0"
+    },
+    "symfony/var-dumper": {
+        "version": "v5.0.8"
+    },
+    "symfony/var-exporter": {
+        "version": "v5.0.8"
+    },
+    "symfony/yaml": {
+        "version": "v5.0.8"
+    },
+    "twig/extra-bundle": {
+        "version": "v3.0.3"
+    },
+    "twig/twig": {
+        "version": "v3.0.3"
+    },
+    "zendframework/zend-code": {
+        "version": "3.4.1"
+    },
+    "zendframework/zend-eventmanager": {
+        "version": "3.2.1"
+    }
+}

templates/base.html.twig

@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="UTF-8">
+        <title>{% block title %}Welcome!{% endblock %}</title>
+        {% block stylesheets %}{% endblock %}
+    </head>
+    <body>
+        {% block body %}{% endblock %}
+        {% block javascripts %}{% endblock %}
+    </body>
+</html>