Select required node version upfront build process

deploy.php

@@ -25,7 +25,7 @@ server('production', 'dreipunktnull.com')
 ;
 
 task('build', function () {
-    runLocally('npm i && npm run build');
+    runLocally('nvm use && npm i && npm run build');
 });
 
 task('upload:epevents', function () {