adjust build type through env

.env.example

@@ -1,4 +1,5 @@
 NEXT_PUBLIC_WEB_BURNER_PASSWORD='x'
 NEXT_PUBLIC_DB_VOUCHER_PASSWORD='x'
 NEXT_PUBLIC_APP_BASE_URL='https://app.citizenwallet.xyz'
-COMMUNITY_JSON_PATH='community.json'
+COMMUNITY_JSON_PATH='community.json'
+BUILD_OUTPUT='default'

next.config.mjs

@@ -1,6 +1,9 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
-  output: "standalone",
+  output:
+    process.env.BUILD_OUTPUT === "default" || !process.env.BUILD_OUTPUT
+      ? undefined
+      : process.env.BUILD_OUTPUT,
   webpack: (config, { buildId, dev, isServer, defaultLoaders, webpack }) => {
     // Note: we provide webpack above so you should not `require` it
     // Perform customizations to webpack config