diff --git a/Dockerfile b/Dockerfile
index 1e365dce1cd4c45711cd0913b72f63c4a70b7138..92f590422fcfb3859b33795efcf225f82a4ca96a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,5 +9,5 @@ RUN npm run build
 # production environment
 FROM nginx:1.16.0-alpine
 COPY --from=build /usr/src/app/build /usr/share/nginx/html
-EXPOSE 80
+EXPOSE 3000
 CMD ["nginx", "-g", "daemon off;"]