diff --git a/Dockerfile b/Dockerfile
index ddd1323..2d6869b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang as build
+FROM golang:alpine as build
 
 WORKDIR /build
 
@@ -7,12 +7,14 @@ COPY . .
 ENV GO111MODULE=on
 ENV GOPROXY=https://goproxy.cn,direct
 
-RUN go mod download
+RUN go mod download && go build -o app
 
-RUN go build -o app
+RUN ls -lh && chmod +x ./app
 
 FROM alpine
 
 COPY --from=build /build/app /bin
 
+RUN ls -lh
+
 ENTRYPOINT ["/bin/app"]
\ No newline at end of file