diff --git a/Dockerfile b/Dockerfile
index c67e9d2..0811990 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -68,4 +68,5 @@ ENV PORT 3000
 
 # server.js is created by next build from the standalone output
 # https://nextjs.org/docs/pages/api-reference/next-config-js/output
-CMD HOSTNAME="0.0.0.0" node server.js
+ENV HOSTNAME="0.0.0.0"
+CMD ["node", "server.js"]