diff --git a/Dockerfile b/Dockerfile
index aa799de..b14358c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,13 @@
 FROM golang AS build-env
 
-RUN GO111MODULE=off go get -u github.com/esrrhs/pingtunnel
-RUN GO111MODULE=off go get -u github.com/esrrhs/pingtunnel/...
-RUN GO111MODULE=off go install github.com/esrrhs/pingtunnel
+WORKDIR /app
+
+COPY go.* ./
+RUN go mod download
+COPY . ./
+RUN go build -v -o pingtunnel
 
 FROM debian
-COPY --from=build-env /go/bin/pingtunnel .
+COPY --from=build-env /app/pingtunnel .
 COPY GeoLite2-Country.mmdb .
 WORKDIR ./
diff --git a/README.md b/README.md
index 91f113f..2a7a4c4 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,9 @@
 [<img src="https://img.shields.io/github/license/esrrhs/pingtunnel">](https://github.com/esrrhs/pingtunnel)
 [<img src="https://img.shields.io/github/languages/top/esrrhs/pingtunnel">](https://github.com/esrrhs/pingtunnel)
 [![Go Report Card](https://goreportcard.com/badge/github.com/esrrhs/pingtunnel)](https://goreportcard.com/report/github.com/esrrhs/pingtunnel)
-[<img src="https://img.shields.io/github/v/release/esrrhs/pingtunnel">](https://github.com/esrrhs/pingtunnel/releases)
-[<img src="https://img.shields.io/github/workflow/status/esrrhs/pingtunnel/Go">](https://github.com/esrrhs/pingtunnel/actions)
+[<img src="https://img.shields.io/github/downloads/esrrhs/pingtunnel/total">](https://github.com/esrrhs/pingtunnel/releases)
+[<img src="https://img.shields.io/docker/pulls/esrrhs/pingtunnel">](https://hub.docker.com/repository/docker/esrrhs/pingtunnel)
+[<img src="https://img.shields.io/github/actions/workflow/status/esrrhs/pingtunnel/go.yml?branch=master">](https://github.com/esrrhs/pingtunnel/actions)
 
 Pingtunnel is a tool that send TCP/UDP traffic over ICMP.