test server NUXT_ env in nuxt config

server/plugins/initialSync.ts

@@ -1,7 +1,8 @@
 import { syncCardsWithDatabase } from '../services/cardSync.service'
 
 export default defineNitroPlugin(async (nitroApp) => {
-  const folderPath = process.env.NUXT_PATH_FILES
+  const runtimeConfig = useRuntimeConfig()
+  const folderPath = runtimeConfig.NUXT_PATH_FILES
 
   if (!folderPath) {
     console.warn('⚠️  NUXT_PATH_FILES non configuré')