diff --git a/Dockerfile b/Dockerfile
index 46edd8a3..257ab926 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # syntax = docker/dockerfile:1.2
 FROM nginx:1.21-alpine as prod
 
-EXPOSE 80
+EXPOSE 4242
 ENV PORT "80"
 COPY . /usr/share/nginx/html/
 COPY app.conf /etc/nginx/nginx.conf