diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..f2a5cef
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,22 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/golang:1.11.4
+    steps:
+      - checkout # check out the code in the project directory
+      - setup_remote_docker # install docker in docker
+      - run:
+          name: build linux binary
+          command: |
+            make build
+            mv sower sower.linux
+      - run:
+          name: build macOS binary
+          command: |
+            GOOS=darwin GOARCH=amd64 make build
+            mv sower sower.darwin
+      - run:
+          name: build docker image
+          command: |
+            make image
\ No newline at end of file
diff --git a/Makefile b/Makefile
index d879c3d..cf1597c 100644
--- a/Makefile
+++ b/Makefile
@@ -6,20 +6,24 @@ generate:
 	go generate ./...
 
 build:
-	GOBIN=$(PWD) go install -v
+	go build -v -ldflags \
+		"-X main.version=$(shell git describe --tags) \
+		 -X main.date=$(shell date +%Y-%m-%d)"
+image:
+	docker build -t sower -f deploy/Dockerfile .
 
 kill:
 	sudo pkill -9 sower || true
 
 client: build kill
-	sudo $(PWD)/sower -f conf/sower.toml -logtostderr
+	sudo $(PWD)/sower -f conf/sower.toml
 
 server: build kill
-	$(PWD)/sower -n TCP -logtostderr -v 1
+	$(PWD)/sower -n TCP -v 1
 
 run: build kill
-	$(PWD)/sower -n TCP -logtostderr -v 1  &
-	sudo $(PWD)/sower -f conf/sower.toml -logtostderr &
+	$(PWD)/sower -n TCP -v 1  &
+	sudo $(PWD)/sower -f conf/sower.toml &
 	@sleep 1
 	curl 127.0.0.1
 	@sleep 1
diff --git a/README.md b/README.md
index f18e3e4..aed43e0 100644
--- a/README.md
+++ b/README.md
@@ -45,4 +45,7 @@ http(s) proxy |   +----------+    |   |
 
 ## todo
 - [x] authenticate
-- [ ] broker
\ No newline at end of file
+- [ ] broker
+- [ ] CI/CD
+- [ ] relay optimization
+- [ ] deploy script for all normal platform
\ No newline at end of file
diff --git a/conf/conf.go b/conf/conf.go
index 9ba883a..47457d7 100644
--- a/conf/conf.go
+++ b/conf/conf.go
@@ -36,7 +36,7 @@ var Conf = struct {
 
 func init() {
 	flag.StringVar(&Conf.ConfigFile, "f", "", "config file location")
-	flag.StringVar(&Conf.NetType, "n", "QUIC", "proxy net type (QUIC|KCP|TCP)")
+	flag.StringVar(&Conf.NetType, "n", "TCP", "proxy net type (QUIC|KCP|TCP)")
 	flag.StringVar(&Conf.Cipher, "C", "AES_128_GCM", "cipher type (AES_128_GCM|AES_192_GCM|AES_256_GCM|CHACHA20_IETF_POLY1305|XCHACHA20_IETF_POLY1305)")
 	flag.StringVar(&Conf.Password, "p", "12345678", "password")
 	flag.StringVar(&Conf.ServerPort, "P", "5533", "server mode listen port")
@@ -46,6 +46,7 @@ func init() {
 	flag.StringVar(&Conf.ClientIP, "c", "127.0.0.1", "client dns service redirect IP")
 
 	if !flag.Parsed() {
+		flag.Set("logtostderr", "true")
 		flag.Parse()
 	}
 
diff --git a/deploy/Dockerfile b/deploy/Dockerfile
new file mode 100644
index 0000000..8eb6655
--- /dev/null
+++ b/deploy/Dockerfile
@@ -0,0 +1,18 @@
+# Compile
+FROM golang:1.11-alpine AS compiler
+
+RUN apk add --no-cache git make
+
+# enable go modules
+WORKDIR /go-mod
+COPY . .
+
+# do not worry about downloading dependency, sower will fix this.
+RUN CGO_ENABLED=0 make build
+
+
+# Build image
+FROM scratch
+
+COPY --from=compiler /go-mod/sower /sower
+ENTRYPOINT [ "/sower" ]
\ No newline at end of file
diff --git a/main.go b/main.go
index e378f4f..91abc4a 100644
--- a/main.go
+++ b/main.go
@@ -7,9 +7,11 @@ import (
 	"github.com/wweir/sower/proxy"
 )
 
+var version, date string
+
 func main() {
 	conf := conf.Conf
-	glog.Infoln("Starting:", conf)
+	glog.Infof("Starting sower(%s %s): %v", version, date, conf)
 
 	if conf.ServerAddr == "" {
 		proxy.StartServer(conf.NetType, conf.ServerPort, conf.Cipher, conf.Password)