diff --git a/apps/cs/next.config.ts b/apps/cs/next.config.ts
index efcddfcd5..e28e02589 100644
--- a/apps/cs/next.config.ts
+++ b/apps/cs/next.config.ts
@@ -4,6 +4,7 @@ const subDomain =
   process.env.NEXT_PUBLIC_SUB_DOMAIN || "http://localhost:13000";
 
 const nextConfig: NextConfig = {
+  output: 'standalone', // docker image shrink
   async rewrites() {
     return {
       beforeFiles: [