key:generate will automatically execute every time any package is installed/updated.

Author: rahulmkhj

composer.json

@@ -17,10 +17,12 @@
             "php artisan key:generate"
         ],
         "post-install-cmd": [
-            "Illuminate\\Foundation\\ComposerScripts::postInstall"
+            "Illuminate\\Foundation\\ComposerScripts::postInstall",
+            "php artisan key:generate"
         ],
       "post-update-cmd" :[
-        "Illuminate\\Foundation\\ComposerScripts::postInstall"
+            "Illuminate\\Foundation\\ComposerScripts::postInstall",
+            "php artisan key:generate"
       ]
     },
     "config": {