diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..8cfa155
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,20 @@
+# Declare a pipeline
+pipeline:
+  # Declare pipeline step
+  composer-install:
+    # Use image for step
+    image: fpfis/php71-build
+    # Run commands from this image
+    commands:
+      - composer install --ansi
+
+  # Declare another step
+  lint-code:
+    image: fpfis/php71-build
+    commands:
+      - php -l index.php
+
+  run-code:
+    image: fpfis/php71-build
+    commands:
+      - php index.php     
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..24a7a67
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,18 @@
+
+# Base image :
+FROM fpfis/php56-build
+
+# Create a folder for my app in the container
+RUN mkdir /app
+
+# Make the image work in this directory by default
+WORKDIR /app
+
+# Push my local files to the image
+ADD . /app
+
+# Run composer install to get my app ready
+RUN composer install
+
+# Specify which command to run when my container starts
+ENTRYPOINT [ "php", "/app/index.php" ]
diff --git a/composer.json b/composer.json
index e7ac977..00e7dd8 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,5 @@
 {
   "require": {
-    "symfony/yaml" : "*",
+    "symfony/yaml" : "*"
   }
 }
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..b5e2eed
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,76 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "1d14b066a73960476c178ecf92bed18f",
+    "packages": [
+        {
+            "name": "symfony/yaml",
+            "version": "v4.0.6",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/yaml.git",
+                "reference": "de5f125ea39de846b90b313b2cfb031a0152d223"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/de5f125ea39de846b90b313b2cfb031a0152d223",
+                "reference": "de5f125ea39de846b90b313b2cfb031a0152d223",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3"
+            },
+            "conflict": {
+                "symfony/console": "<3.4"
+            },
+            "require-dev": {
+                "symfony/console": "~3.4|~4.0"
+            },
+            "suggest": {
+                "symfony/console": "For validating YAML files using the lint command"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Yaml\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Yaml Component",
+            "homepage": "https://symfony.com",
+            "time": "2018-02-19T20:08:53+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": []
+}
diff --git a/docker-compose.yaml b/docker-compose.yaml
new file mode 100644
index 0000000..3fb6119
--- /dev/null
+++ b/docker-compose.yaml
@@ -0,0 +1,23 @@
+version: '2'
+services:
+
+  # Define a PHP webserver
+  php-webserver:
+    # Use a PHP image with apache
+    image: fpfis/php56-dev
+    # Define settings
+    environment:
+      - XDEBUG=true
+      - DOCUMENT_ROOT=/app/build
+    # Mount a local volume in the container
+    volumes:
+      - ./:/app/build
+    # Share the container port with the host
+    ports:
+      - 8080:8080 
+
+  # Define a mysql service
+  mysql:
+    image: fpfis/mysql56
+
+
diff --git a/index.php b/index.php
index 03efc33..da36340 100644
--- a/index.php
+++ b/index.php
@@ -7,7 +7,21 @@
 
 $array = array(
     'foo' => 'bar',
-    'bar' => array('foo' => 'bar', 'bar' => 'baz' => 'test'),
+    'bar' => array('foo' => 'bar', 'bar' => 'baz'),
 );
 
 echo Yaml::dump($array);
+$tree='*';
+$start_time = time();
+while (1) {
+    $tree = $tree.'*';
+    print($tree."\n");
+    $a++;
+    if ($a > 10){
+    	$a = 1;
+	$tree = '*';
+    }
+    if ((time() - $start_time) > 600) {
+      return false; // timeout, function took longer than 300 seconds
+    }
+}