diff --git a/composer.json b/composer.json
index cc07da5..14cd8e1 100644
--- a/composer.json
+++ b/composer.json
@@ -15,6 +15,17 @@
         "guzzlehttp/guzzle": "~6.0",
         "symfony/security": "^2.7"
     },
+    "scripts": {
+        "gist-scripts": [
+            "Gist\\Composer\\PostInstallHandler::execute"
+        ],
+        "post-install-cmd": [
+            "@gist-scripts"
+        ],
+        "post-update-cmd": [
+            "@gist-scripts"
+        ]
+    },
     "autoload": {
         "psr-0": {
             "": "src/"
diff --git a/propel-dist.yaml b/propel-dist.yaml
index dd6f836..e88311b 100644
--- a/propel-dist.yaml
+++ b/propel-dist.yaml
@@ -4,9 +4,9 @@ propel:
             default:
                 adapter: mysql
                 classname: Propel\Runtime\Connection\ConnectionWrapper
-                dsn: "mysql:host=localhost;dbname=gist"
-                user: root
-                password: root
+                dsn: "mysql:host=DATABASE_HOST;dbname=DATABASE_NAME"
+                user: "DATABASE_USER"
+                password: "DATABASE_PASSWORD"
                 settings:
                     charset: utf8
                     queries: