diff --git a/composer.json b/composer.json
index 4f6a928..4636ebb 100644
--- a/composer.json
+++ b/composer.json
@@ -6,6 +6,7 @@
     "license": "MIT",
     "require": {
         "php": "^7.3|^8.0",
+        "doctrine/dbal": "^3.1",
         "fruitcake/laravel-cors": "^2.0",
         "guzzlehttp/guzzle": "^7.0.1",
         "laravel/framework": "^8.54",
diff --git a/composer.lock b/composer.lock
index feec45f..293c830 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "6cadd819a6415b190ae2704ced6e6c8b",
+    "content-hash": "2e27ad4aeb64c5f5afd5be0288a4a9e2",
     "packages": [
         {
             "name": "asm89/stack-cors",
@@ -122,6 +122,79 @@
             ],
             "time": "2021-08-15T20:50:18+00:00"
         },
+        {
+            "name": "composer/package-versions-deprecated",
+            "version": "1.11.99.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/package-versions-deprecated.git",
+                "reference": "fff576ac850c045158a250e7e27666e146e78d18"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/package-versions-deprecated/zipball/fff576ac850c045158a250e7e27666e146e78d18",
+                "reference": "fff576ac850c045158a250e7e27666e146e78d18",
+                "shasum": ""
+            },
+            "require": {
+                "composer-plugin-api": "^1.1.0 || ^2.0",
+                "php": "^7 || ^8"
+            },
+            "replace": {
+                "ocramius/package-versions": "1.11.99"
+            },
+            "require-dev": {
+                "composer/composer": "^1.9.3 || ^2.0@dev",
+                "ext-zip": "^1.13",
+                "phpunit/phpunit": "^6.5 || ^7"
+            },
+            "type": "composer-plugin",
+            "extra": {
+                "class": "PackageVersions\\Installer",
+                "branch-alias": {
+                    "dev-master": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PackageVersions\\": "src/PackageVersions"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Marco Pivetta",
+                    "email": "ocramius@gmail.com"
+                },
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be"
+                }
+            ],
+            "description": "Composer plugin that provides efficient querying for installed package versions (no runtime IO)",
+            "support": {
+                "issues": "https://github.com/composer/package-versions-deprecated/issues",
+                "source": "https://github.com/composer/package-versions-deprecated/tree/1.11.99.3"
+            },
+            "funding": [
+                {
+                    "url": "https://packagist.com",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/composer",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/composer/composer",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-08-17T13:49:14+00:00"
+        },
         {
             "name": "dflydev/dot-access-data",
             "version": "v3.0.1",
@@ -197,6 +270,351 @@
             },
             "time": "2021-08-13T13:06:58+00:00"
         },
+        {
+            "name": "doctrine/cache",
+            "version": "2.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/cache.git",
+                "reference": "331b4d5dbaeab3827976273e9356b3b453c300ce"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/cache/zipball/331b4d5dbaeab3827976273e9356b3b453c300ce",
+                "reference": "331b4d5dbaeab3827976273e9356b3b453c300ce",
+                "shasum": ""
+            },
+            "require": {
+                "php": "~7.1 || ^8.0"
+            },
+            "conflict": {
+                "doctrine/common": ">2.2,<2.4"
+            },
+            "require-dev": {
+                "alcaeus/mongo-php-adapter": "^1.1",
+                "cache/integration-tests": "dev-master",
+                "doctrine/coding-standard": "^8.0",
+                "mongodb/mongodb": "^1.1",
+                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
+                "predis/predis": "~1.0",
+                "psr/cache": "^1.0 || ^2.0 || ^3.0",
+                "symfony/cache": "^4.4 || ^5.2 || ^6.0@dev",
+                "symfony/var-exporter": "^4.4 || ^5.2 || ^6.0@dev"
+            },
+            "suggest": {
+                "alcaeus/mongo-php-adapter": "Required to use legacy MongoDB driver"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Common\\Cache\\": "lib/Doctrine/Common/Cache"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
+                }
+            ],
+            "description": "PHP Doctrine Cache library is a popular cache implementation that supports many different drivers such as redis, memcache, apc, mongodb and others.",
+            "homepage": "https://www.doctrine-project.org/projects/cache.html",
+            "keywords": [
+                "abstraction",
+                "apcu",
+                "cache",
+                "caching",
+                "couchdb",
+                "memcached",
+                "php",
+                "redis",
+                "xcache"
+            ],
+            "support": {
+                "issues": "https://github.com/doctrine/cache/issues",
+                "source": "https://github.com/doctrine/cache/tree/2.1.1"
+            },
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Fcache",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-07-17T14:49:29+00:00"
+        },
+        {
+            "name": "doctrine/dbal",
+            "version": "3.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/dbal.git",
+                "reference": "8e0fde2b90e3f61361013d1e928621beeea07bc0"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/dbal/zipball/8e0fde2b90e3f61361013d1e928621beeea07bc0",
+                "reference": "8e0fde2b90e3f61361013d1e928621beeea07bc0",
+                "shasum": ""
+            },
+            "require": {
+                "composer/package-versions-deprecated": "^1.11.99",
+                "doctrine/cache": "^1.0|^2.0",
+                "doctrine/deprecations": "^0.5.3",
+                "doctrine/event-manager": "^1.0",
+                "php": "^7.3 || ^8.0"
+            },
+            "require-dev": {
+                "doctrine/coding-standard": "9.0.0",
+                "jetbrains/phpstorm-stubs": "2020.2",
+                "phpstan/phpstan": "0.12.81",
+                "phpstan/phpstan-strict-rules": "^0.12.2",
+                "phpunit/phpunit": "9.5.5",
+                "psalm/plugin-phpunit": "0.13.0",
+                "squizlabs/php_codesniffer": "3.6.0",
+                "symfony/cache": "^5.2|^6.0",
+                "symfony/console": "^2.0.5|^3.0|^4.0|^5.0|^6.0",
+                "vimeo/psalm": "4.6.4"
+            },
+            "suggest": {
+                "symfony/console": "For helpful console commands such as SQL execution and import of files."
+            },
+            "bin": [
+                "bin/doctrine-dbal"
+            ],
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\DBAL\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                }
+            ],
+            "description": "Powerful PHP database abstraction layer (DBAL) with many features for database schema introspection and management.",
+            "homepage": "https://www.doctrine-project.org/projects/dbal.html",
+            "keywords": [
+                "abstraction",
+                "database",
+                "db2",
+                "dbal",
+                "mariadb",
+                "mssql",
+                "mysql",
+                "oci8",
+                "oracle",
+                "pdo",
+                "pgsql",
+                "postgresql",
+                "queryobject",
+                "sasql",
+                "sql",
+                "sqlite",
+                "sqlserver",
+                "sqlsrv"
+            ],
+            "support": {
+                "issues": "https://github.com/doctrine/dbal/issues",
+                "source": "https://github.com/doctrine/dbal/tree/3.1.1"
+            },
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Fdbal",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-06-19T17:59:55+00:00"
+        },
+        {
+            "name": "doctrine/deprecations",
+            "version": "v0.5.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/deprecations.git",
+                "reference": "9504165960a1f83cc1480e2be1dd0a0478561314"
+            },
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+                "url": "https://api.github.com/repos/doctrine/deprecations/zipball/9504165960a1f83cc1480e2be1dd0a0478561314",
+                "reference": "9504165960a1f83cc1480e2be1dd0a0478561314",
+                "shasum": ""
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+            "require": {
+                "php": "^7.1|^8.0"
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+            "require-dev": {
+                "doctrine/coding-standard": "^6.0|^7.0|^8.0",
+                "phpunit/phpunit": "^7.0|^8.0|^9.0",
+                "psr/log": "^1.0"
+            },
+            "suggest": {
+                "psr/log": "Allows logging deprecations via PSR-3 logger implementation"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Deprecations\\": "lib/Doctrine/Deprecations"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "A small layer on top of trigger_error(E_USER_DEPRECATED) or PSR-3 logging with options to disable all deprecations or selectively for packages.",
+            "homepage": "https://www.doctrine-project.org/",
+            "support": {
+                "issues": "https://github.com/doctrine/deprecations/issues",
+                "source": "https://github.com/doctrine/deprecations/tree/v0.5.3"
+            },
+            "time": "2021-03-21T12:59:47+00:00"
+        },
+        {
+            "name": "doctrine/event-manager",
+            "version": "1.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/event-manager.git",
+                "reference": "41370af6a30faa9dc0368c4a6814d596e81aba7f"
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+                "doctrine/coding-standard": "^6.0",
+                "phpunit/phpunit": "^7.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Common\\": "lib/Doctrine/Common"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
+                },
+                {
+                    "name": "Marco Pivetta",
+                    "email": "ocramius@gmail.com"
+                }
+            ],
+            "description": "The Doctrine Event Manager is a simple PHP event system that was built to be used with the various Doctrine projects.",
+            "homepage": "https://www.doctrine-project.org/projects/event-manager.html",
+            "keywords": [
+                "event",
+                "event dispatcher",
+                "event manager",
+                "event system",
+                "events"
+            ],
+            "support": {
+                "issues": "https://github.com/doctrine/event-manager/issues",
+                "source": "https://github.com/doctrine/event-manager/tree/1.1.x"
+            },
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Fevent-manager",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-05-29T18:28:51+00:00"
+        },
         {
             "name": "doctrine/inflector",
             "version": "2.0.3",
diff --git a/database/migrations/2021_09_03_112120_add_default_value_to_article_published.php b/database/migrations/2021_09_03_112120_add_default_value_to_article_published.php
new file mode 100644
index 0000000..44beee6
--- /dev/null
+++ b/database/migrations/2021_09_03_112120_add_default_value_to_article_published.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddDefaultValueToArticlePublished extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('blog_articles', function (Blueprint $table) {
+            $table->boolean('published')->default(false)->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('blog_articles', function (Blueprint $table) {
+            $table->boolean('published')->default(null)->change();
+        });
+    }
+}