add go version on lanuch

build.sh

@@ -8,7 +8,7 @@ chmod +x output/bootstrap.sh
 cp conf/* output/conf/
 export GOEXPERIMENT=arenas
 if [ "$BUILD_TYPE" != "test" ]; then
-    go build -ldflags="-w -s" -o output/bin/${RUN_NAME}
+    go build -ldflags="-w -s -X 'main.Commit=`git log --pretty=format:'%h' -1`'" -o output/bin/${RUN_NAME}
 else
-    go build -gcflags="all=-N -l" -o output/bin/${RUN_NAME}
+    go build -gcflags="all=-N -l -X 'main.Commit=`git log --pretty=format:'%h' -1`'" -o output/bin/${RUN_NAME}
 fi

version.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"log"
+	"runtime"
+)
+
+var (
+	Commit string
+)
+
+func init() {
+	log.Printf("Runtime: %s\tCommit: %s \n", runtime.Version(), Commit)
+}