update: compile with go version

Dockerfile

@@ -30,7 +30,8 @@ RUN ls /tmp/*ray | xargs -P0 -n1 upx -9
 FROM golang:1.18-alpine3.16 AS xproxy
 COPY . /XProxy
 WORKDIR /XProxy
-RUN env CGO_ENABLED=0 go build -v -o xproxy -trimpath -ldflags "-s -w" ./cmd/ && mv ./xproxy /tmp/
+RUN env CGO_ENABLED=0 go build -v -o xproxy -trimpath \
+    -ldflags "-X 'main.goVersion=$(go version)' -s -w" ./cmd/ && mv ./xproxy /tmp/
 COPY --from=upx /upx/ /usr/
 RUN upx -9 /tmp/xproxy
 

cmd/xproxy.go

@@ -10,8 +10,7 @@ import (
     "strconv"
 )
 
-var version = "0.9.1"
+var version = "0.9.2"
-
 var v4RouteTable = 100
 var v6RouteTable = 106
 var v4TProxyPort = 7288
@@ -19,6 +18,7 @@ var v6TProxyPort = 7289
 var configDir = "/etc/xproxy"
 var assetFile = "/assets.tar.xz"
 
+var goVersion string
 var subProcess []*process.Process
 var assetDir, exposeDir, configFile string
 
@@ -71,7 +71,7 @@ func main() {
     xproxyInit()
 
     var settings config.Config
-    log.Infof("XProxy %s start", version)
+    log.Infof("XProxy %s start (%s)", version, goVersion)
     config.Load(configFile, &settings)
     loadNetwork(&settings)
     loadProxy(&settings)