support linux and windows bin files.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

Makefile

@@ -0,0 +1,26 @@
+.PHONY: all
+
+VERSION=0.0.1
+
+DEPS := $(wildcard *.go)
+BUILD_IMAGE := "gopush-build"
+
+all: build
+
+build: clean
+	for GOOS in darwin linux windows; do \
+		for GOARCH in 386 amd64; do \
+			GOOS=$$GOOS GOARCH=$$GOARCH go build -ldflags="-w" -o bin/$$GOOS/$$GOARCH/gopush gopush.go; \
+		done \
+	done
+
+docker_build: clean
+	tar -zcvf build.tar.gz gopush.go gopush
+	docker build -t $(BUILD_IMAGE) -f docker/Dockerfile.build .
+	docker run $(BUILD_IMAGE) > bin.tar.gz
+	-rm -rf build.tar.gz
+	tar -zxvf bin.tar.gz
+	-rm -rf bin.tar.gz
+
+clean:
+	rm -rf build.tar.gz bin.tar.gz bin/*