diff --git a/Dockerfile b/Dockerfile
index e205f7f..2c30781 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,12 +11,13 @@ RUN rm -rf node_modules build/index.prod.js
 FROM node:12-alpine
 WORKDIR /app
 RUN chown node:node /app
+USER node
 COPY package.json .
-RUN npm install --production
+RUN npm install --production && rm -rf ~/.npm
 COPY --from=0 /app .
+USER root
 RUN chown -R root:root .
 USER node
 EXPOSE 3000
 STOPSIGNAL SIGINT
 ENTRYPOINT ["node", "lib/index.js"]
-# CMD ["node", "lib/index.js"]