diff --git a/README.md b/README.md
index ba5446d73685c53ea81b6609ca8bb2a078e9f436..42420b764eedbdbecc7ecb4b3da52053d3bc5efb 100644
--- a/README.md
+++ b/README.md
@@ -4,11 +4,11 @@ Configuration pour phpstan/phpstan.
 
 Inclut les extensions PHPStan pour les outils suivant :
 
-- Doctrine
-- Symfony
-- PHPUnit
-- [beberlei/assert](https://github.com/beberlei/assert)
-- [phpspec/prophecy](https://github.com/phpspec/prophecy)
+- Doctrine => [phpstan/phpstan-doctrine](https://github.com/phpstan/phpstan-doctrine)
+- Symfony => [phpstan/phpstan-symfony](https://github.com/phpstan/phpstan-symfony)
+- PHPUnit => [phpstan/phpstan-phpunit](https://github.com/phpstan/phpstan-phpunit)
+- [beberlei/assert](https://github.com/beberlei/assert) => [phpstan/phpstan-beberlei-assert](https://github.com/phpstan/phpstan-beberlei-assert)
+- [phpspec/prophecy](https://github.com/phpspec/prophecy) => [jangregor/phpstan-prophecy](https://github.com/Jan0707/phpstan-prophecy)
 
 ### Installation
 
@@ -16,7 +16,15 @@ Inclut les extensions PHPStan pour les outils suivant :
 composer require --dev irstea/phpstan-config
 ```
 
-### Configuration
+### Utilisation
+
+Le paquet fournit plusieurs fichiers de configuration à inclure selon les besoins:
+
+- [`loose.neon`](loose.neon): vérifications _souples_,
+- [`strict.neon`](strict.neon): vérifications _strictes_ (inclut `loose.neon`),
+- [`phpunit.neon`](phpunit.neon): à inclure dans les projets utilisant PHPUnit,
+- [`symfony.neon`](symfony.neon): à inclure dans les projets utilisant Symfony et Doctrine.
+- [`phpstan.neon`](phpstan.neon): `strict.neon` + `phpunit.neon` + `symfony.neon`.
 
 Exemple :
 
@@ -30,14 +38,8 @@ parameters:
         - tests
 
     symfony:
-        container_xml_path: %currentWorkingDirectory%/var/cache/test/srcApp_KernelTestDebugContainer.xml
 
+        container_xml_path: %currentWorkingDirectory%/var/cache/test/srcApp_KernelTestDebugContainer.xml
 ```
 
-cf. https://github.com/phpstan/phpstan#configuration pour plus de détails.
-
-### Usage
-
-```shell
-vendor/bin/phpstan analyse
-```
+**Note :** `container_xml_path` change selon la version de Symfony, cf. https://github.com/phpstan/phpstan-symfony#usage
diff --git a/composer.json b/composer.json
index e51127268f7928eb8d58f3446bffb08786eb74ae..31a4bd598631b38c9b134068322d89ff393a60fb 100644
--- a/composer.json
+++ b/composer.json
@@ -18,6 +18,11 @@
         "phpstan/phpstan-phpunit": "^0.11",
         "phpstan/phpstan-symfony": "^0.11"
     },
+    "suggest": {
+        "beberlei/assert": "Framework léger d'assertion de type.",
+        "phpunit/phpunit": "Framework de tests unitaires.",
+        "phpspec/prophecy": "Framework de mocking pour les tests unitaires."
+    },
     "config": {
         "sort-packages": true
     },
diff --git a/loose.neon b/loose.neon
new file mode 100644
index 0000000000000000000000000000000000000000..d5b4a0ae91a3d860318a4217a5b0cfd871611724
--- /dev/null
+++ b/loose.neon
@@ -0,0 +1,9 @@
+includes:
+    - ../../phpstan/phpstan-beberlei-assert/extension.neon
+
+parameters:
+    level: 1
+    memory-limit: 500M
+
+    excludes_analyse:
+        - %rootDir%/../../vendor
diff --git a/phpstan.neon b/phpstan.neon
index 584febc4481a9a1795b63405a02a5c4395f44269..afb02ddf25b0dcdfbaae502c6da53e1c2a657c6a 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,11 +1,4 @@
 includes:
-    - ../../phpstan/phpstan-doctrine/extension.neon
-    - ../../phpstan/phpstan-symfony/extension.neon
-    - ../../phpstan/phpstan-phpunit/extension.neon
-    - ../../phpstan/phpstan-phpunit/rules.neon
-    - ../../jangregor/phpstan-prophecy/src/extension.neon
-    - ../../phpstan/phpstan-beberlei-assert/extension.neon
-
-parameters:
-    level: 7
-    memory-limit: 500M
+    - ./strict.neon
+    - ./symfony.neon
+    - ./phpunit.neon
diff --git a/phpunit.neon b/phpunit.neon
new file mode 100644
index 0000000000000000000000000000000000000000..ddde8bc0c7238a639f077611364e02a4af2233a3
--- /dev/null
+++ b/phpunit.neon
@@ -0,0 +1,4 @@
+includes:
+    - ../../phpstan/phpstan-phpunit/extension.neon
+    - ../../phpstan/phpstan-phpunit/rules.neon
+    - ../../jangregor/phpstan-prophecy/src/extension.neon
diff --git a/strict.neon b/strict.neon
new file mode 100644
index 0000000000000000000000000000000000000000..4226301c4da6a8bab0afdbb91c74388ad077098b
--- /dev/null
+++ b/strict.neon
@@ -0,0 +1,5 @@
+includes:
+    - ./loose.neon
+
+parameters:
+    level: 7
diff --git a/symfony.neon b/symfony.neon
new file mode 100644
index 0000000000000000000000000000000000000000..18b95ad7d801d9e83d900c56cd62c291f67c5513
--- /dev/null
+++ b/symfony.neon
@@ -0,0 +1,9 @@
+includes:
+    - ../../phpstan/phpstan-doctrine/extension.neon
+    - ../../phpstan/phpstan-doctrine/rules.neon
+    - ../../phpstan/phpstan-symfony/extension.neon
+
+    excludes_analyse:
+        - %rootDir%/../../../var
+        - %rootDir%/../../../app/cache
+        - %rootDir%/../../../app/logs