diff --git a/composer.json b/composer.json
index 1373aa2..28b7243 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,9 @@
     "symfony/http-kernel": "^4.4",
     "symfony/config": "^4.4",
     "symfony/yaml": "^4.4",
-    "symfony/dependency-injection": "^4.4"
+    "symfony/dependency-injection": "^4.4",
+    "doctrine/orm": "^2.9",
+    "doctrine/doctrine-bundle": "^2.4"
   },
   "require-dev": {
     "squizlabs/php_codesniffer": "^3.6",
@@ -26,7 +28,12 @@
     "phpstan/phpstan": "^0.12.90",
     "phpunit/phpunit": "^9.5",
     "phpstan/phpstan-symfony": "^0.12.37",
-    "symfony/framework-bundle": "^4.4"
+    "symfony/framework-bundle": "^4.4",
+    "phpstan/phpstan-doctrine": "^0.12.39",
+    "dama/doctrine-test-bundle": "^6.6",
+    "liip/test-fixtures-bundle": "^1.11",
+    "theofidry/alice-data-fixtures": "^1.4",
+    "doctrine/doctrine-fixtures-bundle": "^3.4"
   },
   "autoload": {
     "psr-4": {
diff --git a/config/.gitkeep b/config/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/config/services.yaml b/config/services.yaml
new file mode 100644
index 0000000..b83ad50
--- /dev/null
+++ b/config/services.yaml
@@ -0,0 +1,10 @@
+services:
+  smart_parameter.parameter_provider:
+    class: Smart\ParameterBundle\Provider\ParameterProvider
+    public: true
+    arguments:
+      - '@Doctrine\ORM\EntityManagerInterface'
+
+  Smart\ParameterBundle\Provider\ParameterProvider:
+    public: false
+    alias: smart_parameter.parameter_provider
diff --git a/phpstan.neon b/phpstan.neon
index d7b3498..85140b7 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,6 +1,8 @@
 includes:
     - vendor/phpstan/phpstan-symfony/extension.neon
     - vendor/phpstan/phpstan-symfony/rules.neon
+    - vendor/phpstan/phpstan-doctrine/extension.neon
+    - vendor/phpstan/phpstan-doctrine/rules.neon
 
 parameters:
 	checkMissingIterableValueType: false
diff --git a/phpunit.xml b/phpunit.xml
index 99ad480..a01df4d 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -8,6 +8,7 @@
   <php>
     <ini name="error_reporting" value="-1"/>
     <ini name="memory_limit" value="-1"/>
+    <server name="KERNEL_CLASS" value="Smart\ParameterBundle\Tests\AppKernel"/>
   </php>
   <testsuites>
     <testsuite name="Test suite">
@@ -22,4 +23,7 @@
       <directory>./src/SmartParameterBundle.php</directory>
     </exclude>
   </coverage>
+  <extensions>
+    <extension class="DAMA\DoctrineTestBundle\PHPUnit\PHPUnitExtension" />
+  </extensions>
 </phpunit>
diff --git a/src/DependencyInjection/SmartParameterExtension.php b/src/DependencyInjection/SmartParameterExtension.php
index 6fe34b1..9381845 100644
--- a/src/DependencyInjection/SmartParameterExtension.php
+++ b/src/DependencyInjection/SmartParameterExtension.php
@@ -2,6 +2,8 @@
 
 namespace Smart\ParameterBundle\DependencyInjection;
 
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 
@@ -19,5 +21,8 @@ class SmartParameterExtension extends Extension
     public function load(array $configs, ContainerBuilder $container)
     {
         $this->processConfiguration(new Configuration(), $configs);
+
+        $loader = new YamlFileLoader($container, new FileLocator(__DIR__ . '/../../config'));
+        $loader->load('services.yaml');
     }
 }
diff --git a/src/Entity/Parameter.php b/src/Entity/Parameter.php
new file mode 100644
index 0000000..3184bc0
--- /dev/null
+++ b/src/Entity/Parameter.php
@@ -0,0 +1,94 @@
+<?php
+
+namespace Smart\ParameterBundle\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @author Mathieu Ducrot <mathieu.ducrot@smartbooster.io>
+ *
+ * @ORM\Table(name="smart_parameter")
+ * @ORM\Entity(repositoryClass="Smart\ParameterBundle\Repository\ParameterRepository")
+ */
+class Parameter
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="AUTO")
+     * @ORM\Column(name="id", type="integer")
+     */
+    private int $id;
+
+    /**
+     * @ORM\Column(name="code", type="string", nullable=false, unique=true)
+     */
+    private string $code;
+
+    /**
+     * @ORM\Column(name="value", type="text", nullable=false)
+     */
+    private string $value;
+
+    /**
+     * @ORM\Column(name="help", type="text", nullable=true)
+     */
+    private ?string $help;
+
+    public function __toString()
+    {
+        return (string) $this->getCode();
+    }
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    /**
+     * @return string
+     */
+    public function getCode(): string
+    {
+        return $this->code;
+    }
+
+    /**
+     * @param string $code
+     */
+    public function setCode(string $code): void
+    {
+        $this->code = $code;
+    }
+
+    /**
+     * @return string
+     */
+    public function getValue(): string
+    {
+        return $this->value;
+    }
+
+    /**
+     * @param string $value
+     */
+    public function setValue(string $value): void
+    {
+        $this->value = $value;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getHelp(): ?string
+    {
+        return $this->help;
+    }
+
+    /**
+     * @param string|null $help
+     */
+    public function setHelp(?string $help): void
+    {
+        $this->help = $help;
+    }
+}
diff --git a/src/Provider/ParameterProvider.php b/src/Provider/ParameterProvider.php
new file mode 100644
index 0000000..e29774d
--- /dev/null
+++ b/src/Provider/ParameterProvider.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace Smart\ParameterBundle\Provider;
+
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\EntityNotFoundException;
+use Smart\ParameterBundle\Entity\Parameter;
+
+/**
+ * @author Mathieu Ducrot <mathieu.ducrot@smartbooster.io>
+ */
+class ParameterProvider
+{
+    private EntityManagerInterface $entityManager;
+
+    public function __construct(EntityManagerInterface $entityManager)
+    {
+        $this->entityManager = $entityManager;
+    }
+
+    /**
+     * Get a Parameter instance
+     *
+     * @throws EntityNotFoundException
+     */
+    public function get(string $code): Parameter
+    {
+        $parameter = $this->entityManager->getRepository(Parameter::class)->findOneBy(['code' => $code]);
+
+        if ($parameter == null) {
+            throw new EntityNotFoundException("The parameter with code \"$code\" was not found.");
+        }
+
+        return $parameter;
+    }
+
+    /**
+     * Get a Parameter value
+     */
+    public function getValue(string $code): string
+    {
+        return $this->get($code)->getValue();
+    }
+}
diff --git a/src/Repository/ParameterRepository.php b/src/Repository/ParameterRepository.php
new file mode 100644
index 0000000..956e070
--- /dev/null
+++ b/src/Repository/ParameterRepository.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace Smart\ParameterBundle\Repository;
+
+use Doctrine\ORM\EntityRepository;
+use Smart\ParameterBundle\Entity\Parameter;
+
+/**
+ * @author Mathieu Ducrot <mathieu.ducrot@smartbooster.io>
+ *
+ * @extends \Doctrine\ORM\EntityRepository<Parameter>
+ */
+class ParameterRepository extends EntityRepository
+{
+
+}
diff --git a/tests/AbstractWebTestCase.php b/tests/AbstractWebTestCase.php
new file mode 100644
index 0000000..68235d0
--- /dev/null
+++ b/tests/AbstractWebTestCase.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Smart\ParameterBundle\Tests;
+
+use Liip\TestFixturesBundle\Test\FixturesTrait;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+/**
+ * @author Mathieu Ducrot <mathieu.ducrot@smartbooster.io>
+ */
+abstract class AbstractWebTestCase extends WebTestCase
+{
+    use FixturesTrait;
+
+    public function setUp(): void
+    {
+        parent::setUp();
+
+        self::bootKernel();
+    }
+
+    protected function getFixtureDir(): string
+    {
+        return __DIR__ . '/fixtures';
+    }
+}
diff --git a/tests/App/AppKernel.php b/tests/App/AppKernel.php
deleted file mode 100644
index 3029069..0000000
--- a/tests/App/AppKernel.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-
-namespace Smart\ParameterBundle\Tests\App;
-
-use Smart\ParameterBundle\SmartParameterBundle;
-use Symfony\Component\Config\Loader\LoaderInterface;
-use Symfony\Component\HttpKernel\Kernel;
-
-/**
- * @author Mathieu Ducrot <mathieu.ducrot@smartbooster.io>
- */
-class AppKernel extends Kernel
-{
-    public function registerBundles()
-    {
-        return [
-            new \Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
-            new SmartParameterBundle(),
-        ];
-    }
-
-    public function registerContainerConfiguration(LoaderInterface $loader): void
-    {
-        $loader->load(__DIR__ . '/../fixtures/config/full.yml');
-    }
-}
diff --git a/tests/App/AppKernelTest.php b/tests/App/AppKernelTest.php
deleted file mode 100644
index 3f749e5..0000000
--- a/tests/App/AppKernelTest.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-
-namespace Smart\ParameterBundle\Tests\App;
-
-use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
-use Symfony\Component\HttpKernel\KernelInterface;
-
-/**
- * @author Mathieu Ducrot <mathieu.ducrot@smartbooster.io>
- *
- * vendor/bin/phpunit tests/App/AppKernelTest.php
- */
-class AppKernelTest extends WebTestCase
-{
-    protected static function getKernelClass()
-    {
-        return AppKernel::class;
-    }
-
-    public function testBootingKernel(): void
-    {
-        self::bootKernel();
-
-        $this->assertInstanceOf(KernelInterface::class, self::$kernel);
-    }
-}
diff --git a/tests/AppKernel.php b/tests/AppKernel.php
new file mode 100644
index 0000000..c527260
--- /dev/null
+++ b/tests/AppKernel.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Smart\ParameterBundle\Tests;
+
+use Psr\Log\NullLogger;
+use Symfony\Component\Config\Loader\LoaderInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\HttpKernel\Kernel;
+
+/**
+ * Kernel used by PHPUnit to ease services testing
+ *
+ * @author Mathieu Ducrot <mathieu.ducrot@smartbooster.io>
+ */
+class AppKernel extends Kernel
+{
+    public function registerBundles()
+    {
+        return [
+            new \Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
+            new \Doctrine\Bundle\DoctrineBundle\DoctrineBundle(),
+            new \Doctrine\Bundle\FixturesBundle\DoctrineFixturesBundle(),
+            new \DAMA\DoctrineTestBundle\DAMADoctrineTestBundle(),
+            new \Liip\TestFixturesBundle\LiipTestFixturesBundle(),
+            new \Fidry\AliceDataFixtures\Bridge\Symfony\FidryAliceDataFixturesBundle(),
+            new \Nelmio\Alice\Bridge\Symfony\NelmioAliceBundle(),
+            new \Smart\ParameterBundle\SmartParameterBundle(),
+        ];
+    }
+
+    public function registerContainerConfiguration(LoaderInterface $loader): void
+    {
+        $loader->load(__DIR__ . '/config_test.yml');
+    }
+
+    // https://github.com/dmaicher/doctrine-test-bundle/blob/master/tests/Functional/app/AppKernel.php
+    protected function build(ContainerBuilder $container): void
+    {
+        // remove logger info
+        $container->register('logger', NullLogger::class);
+    }
+}
diff --git a/tests/DependencyInjection/DependencyInjectionTest.php b/tests/DependencyInjection/DependencyInjectionTest.php
index d47b1c4..d405d7f 100644
--- a/tests/DependencyInjection/DependencyInjectionTest.php
+++ b/tests/DependencyInjection/DependencyInjectionTest.php
@@ -2,12 +2,13 @@
 
 namespace Smart\ParameterBundle\Tests\DependencyInjection;
 
+use Doctrine\ORM\EntityManagerInterface;
 use PHPUnit\Framework\TestCase;
 use Smart\ParameterBundle\SmartParameterBundle;
 use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\DependencyInjection\Loader\FileLoader;
+use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
 
 /**
@@ -23,13 +24,7 @@ protected function setUp(): void
     {
         $bundle = new SmartParameterBundle();
         $this->container = new ContainerBuilder();
-
-        $this->container->setParameter('kernel.debug', true);
-        $this->container->setParameter('kernel.bundles', [
-            'FrameworkBundle' => \Symfony\Bundle\FrameworkBundle\FrameworkBundle::class,
-        ]);
-        $this->container->setParameter('kernel.environment', 'test');
-
+        $this->container->setDefinition('Doctrine\ORM\EntityManagerInterface', new Definition(EntityManagerInterface::class));
         $this->container->registerExtension($bundle->getContainerExtension());
         $bundle->build($this->container);
     }
diff --git a/tests/Provider/ParameterProviderTest.php b/tests/Provider/ParameterProviderTest.php
new file mode 100644
index 0000000..804e24f
--- /dev/null
+++ b/tests/Provider/ParameterProviderTest.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace Smart\ParameterBundle\Tests\Provider;
+
+use Doctrine\ORM\EntityNotFoundException;
+use Smart\ParameterBundle\Provider\ParameterProvider;
+use Smart\ParameterBundle\Tests\AbstractWebTestCase;
+
+/**
+ * @author Mathieu Ducrot <mathieu.ducrot@smartbooster.io>
+ *
+ * vendor/bin/phpunit tests/Provider/ParameterProviderTest.php
+ */
+class ParameterProviderTest extends AbstractWebTestCase
+{
+    private ?ParameterProvider $provider;
+
+    public function setUp(): void
+    {
+        parent::setUp();
+
+        $this->provider = self::$container->get(ParameterProvider::class);
+    }
+
+    public function testGetNotFoundException(): void
+    {
+        $this->expectException(EntityNotFoundException::class);
+        $this->expectExceptionMessage('The parameter with code "not_found" was not found.');
+
+        $this->loadFixtureFiles([]);
+        $this->provider->getValue("not_found");
+    }
+
+    public function testGetOk(): void
+    {
+        $this->loadFixtureFiles([$this->getFixtureDir() . "/Provider/ParameterProvider/parameter.yaml"]);
+
+        $parameter = $this->provider->get('full_param');
+        $this->assertSame("full_param", (string) $parameter);
+        $this->assertIsInt($parameter->getId());
+        $this->assertSame("Expected Parameter Value", $parameter->getValue());
+        $this->assertSame("Expected Parameter Help", $parameter->getHelp());
+    }
+
+    public function testGetValueOk(): void
+    {
+        $this->loadFixtureFiles([$this->getFixtureDir() . "/Provider/ParameterProvider/parameter.yaml"]);
+
+        $this->assertSame("Text Value", $this->provider->getValue("minimal_param"));
+    }
+}
diff --git a/tests/config_test.yml b/tests/config_test.yml
new file mode 100644
index 0000000..727bc5b
--- /dev/null
+++ b/tests/config_test.yml
@@ -0,0 +1,36 @@
+framework:
+    test: true
+    secret: test
+
+doctrine:
+    dbal:
+        driver:   pdo_sqlite
+        charset:  UTF8
+        path:     "%kernel.cache_dir%/test.db"
+    orm:
+        auto_generate_proxy_classes: "%kernel.debug%"
+        auto_mapping: true
+
+smart_parameter:
+    parameters:
+        # Textual paramter
+        dummy_support_emails:
+            value:  "support@example.com, technical-support@example.com"
+            help:   "This parameter is used by the mailer for support recipients. Format : Separate email by comma."
+        # Number parameter
+        dummy_homepage_cache_duration:
+            value:  3600
+            help:   "This parameter is used by the backend to set the duration of cache applied to the Homepage. Set the duration in second."
+
+dama_doctrine_test:
+    enable_static_connection: true
+    enable_static_meta_data_cache: true
+    enable_static_query_cache: true
+
+fidry_alice_data_fixtures:
+    default_purge_mode: delete # default is "delete" but you can change it to "truncate" or "no_purge"
+    db_drivers:
+        doctrine_orm: true
+        doctrine_mongodb_odm: false
+        doctrine_phpcr_odm: false
+        eloquent_orm: false
diff --git a/tests/fixtures/Provider/ParameterProvider/parameter.yaml b/tests/fixtures/Provider/ParameterProvider/parameter.yaml
new file mode 100644
index 0000000..7561a49
--- /dev/null
+++ b/tests/fixtures/Provider/ParameterProvider/parameter.yaml
@@ -0,0 +1,9 @@
+Smart\ParameterBundle\Entity\Parameter:
+  minimal_param:
+    code: minimal_param
+    value: "Text Value"
+
+  full_param:
+    code: full_param
+    value: "Expected Parameter Value"
+    help: "Expected Parameter Help"
diff --git a/tests/fixtures/config/invalid_missing_parameter_value.yml b/tests/fixtures/config/invalid_missing_parameter_value.yml
index c47846b..8bcab18 100644
--- a/tests/fixtures/config/invalid_missing_parameter_value.yml
+++ b/tests/fixtures/config/invalid_missing_parameter_value.yml
@@ -1,4 +1,4 @@
-#
+# Fixture config with undefined parameter value
 smart_parameter:
     parameters:
         parameter_without_value:
diff --git a/tests/fixtures/config/invalid_no_parameter_defined.yml b/tests/fixtures/config/invalid_no_parameter_defined.yml
index d5bc9d2..e707cb6 100644
--- a/tests/fixtures/config/invalid_no_parameter_defined.yml
+++ b/tests/fixtures/config/invalid_no_parameter_defined.yml
@@ -1,3 +1,3 @@
-#
+# Fixture config with empty parameters config
 smart_parameter:
     parameters: