diff --git a/Dockerfile b/Dockerfile
index d8a7814..1511cc3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,9 +2,9 @@ FROM golang:alpine as build
 WORKDIR /build
 COPY . .
 RUN go get -d -v .
-RUN go build -v -o app .
+RUN go build -v -o hg612-exporter .
 
-FROM alpine
+FROM alpine:3.15.0
 WORKDIR /service
-COPY --from=build /build/app .
-ENTRYPOINT ["./app"]
\ No newline at end of file
+COPY --from=build /build/hg612-exporter .
+ENTRYPOINT ["./hg612-exporter"]
\ No newline at end of file