diff --git a/Dockerfile b/Dockerfile
index 673f2f2..e83e22a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,6 @@
-FROM ubuntu
-RUN apt-get -y update && apt-get install -y ca-certificates
-ADD ./hubserver /usr/local/bin
+FROM alpine
+RUN apk update && apk add ca-certificates
+WORKDIR /app
+COPY ./hubserver /app
 EXPOSE 80
-ENTRYPOINT ["/usr/local/bin/hubserver"]
+ENTRYPOINT ["/app/hubserver"]