diff --git a/Dockerfile b/Dockerfile
index 6ee4f12..ffb6174 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,8 @@ FROM node:lts
 
 ARG PORT=3000
 
+ENV NODE_ENV=production
+
 RUN mkdir -p /usr/src/app
 
 WORKDIR /usr/src/app