diff --git a/Dockerfile b/Dockerfile
index 36f61f7..8fbd336 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -34,7 +34,7 @@ COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
 COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 
 USER nextjs
-EXPOSE ${PORT:-3000}
+EXPOSE 3000
 
 CMD ["node", "server.js"]