diff --git a/Dockerfile b/Dockerfile
index 41956aa..d8dba51 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,9 @@
-FROM node
+FROM node:alpine
 
 COPY dist/grafana-statuspage /grafana-statuspage
 
 WORKDIR /app
 
+EXPOSE 4000
+
 ENTRYPOINT ["node", "/grafana-statuspage/server/main.js"]