diff --git a/Dockerfile b/Dockerfile
index b1c0bbedb..aa5426414 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,5 +5,7 @@ WORKDIR /app
 # Copy only .output (pre-built by CI)
 COPY .output/ .output/
 
+ENV NODE_ENV=production
+
 EXPOSE 3000
 CMD [ "node", ".output/server/index.mjs" ]