diff --git a/Dockerfile b/Dockerfile
index 1b404eb..abc7ab2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,5 +2,6 @@ FROM node:latest
 WORKDIR /app
 COPY package.json ./
 RUN npm install
+EXPOSE 3000
 COPY . .
 CMD ["npm", "start"]