diff --git a/backend/service-authentication/Dockerfile b/backend/service-authentication/Dockerfile
index b0b4790..198444f 100644
--- a/backend/service-authentication/Dockerfile
+++ b/backend/service-authentication/Dockerfile
@@ -1,6 +1,7 @@
 FROM node:current-slim
 WORKDIR /app-authentication
 COPY ["package.json", "package-lock.json*", "./"]
-RUN npm install --NODE_ENV
+RUN npm install
 COPY . .
+EXPOSE 3000
 CMD [ "node", "server.js" ]
\ No newline at end of file