diff --git a/Dockerfile b/Dockerfile
index 047d95b..80ef640 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
 FROM golang:latest
 ENV GOPROXY https://goproxy.cn,direct
 WORKDIR /app
-COPY . .
-RUN go env -w GO111MODULE=on
-RUN go env -w GOPROXY=https://goproxy.cn,direct
+ADD main.go /app
+RUN go env -w $GO111MODULE=on
+RUN go env -w $GOPROXY=https://goproxy.cn,direct
 RUN go mod tidy
 RUN go build .
 EXPOSE 9090
-ENTRYPOINT ["./main"]
\ No newline at end of file
+ENTRYPOINT ["go run ./main.go"]
\ No newline at end of file