add linux static target

Makefile

@@ -4,7 +4,7 @@ WIN=windows-agent.exe
 FLAGS=-ldflags "-s -w"
 WIN-FLAGS=-ldflags -H=windowsgui
 
-all: clean create-directory agent-windows agent-linux
+all: clean create-directory agent-windows agent-linux agent-linux-static
 
 create-directory:
 	mkdir ${DIRECTORY}
@@ -17,5 +17,9 @@ agent-linux:
 	echo "Compiling Linux binary"
 	env GOOS=linux GOARCH=amd64 go build ${FLAGS} -o ${DIRECTORY}/${LINUX} main.go
 
+agent-linux-static:
+	echo "Compiling static Linux binary"
+	docker run --rm=true -itv $(PWD):/mnt alpine:3.7 /mnt/build_static.sh
+	
 clean:
 	rm -rf ${DIRECTORY}