Add alpine linux binary releases

Author: jwilder

Makefile

@@ -12,10 +12,12 @@ docker-gen:
 
 dist-clean:
 	rm -rf dist
+	rm -f docker-gen-alpine-linux-*.tar.gz
 	rm -f docker-gen-linux-*.tar.gz
 	rm -f docker-gen-darwin-*.tar.gz
 
 dist: dist-clean
+	mkdir -p dist/alpine-linux/amd64 && GOOS=linux GOARCH=amd64 go build -ldflags "$(LDFLAGS)" -a -tags netgo -installsuffix netgo -o dist/alpine-linux/amd64/docker-gen ./cmd/docker-gen
 	mkdir -p dist/linux/amd64 && GOOS=linux GOARCH=amd64 go build -ldflags "$(LDFLAGS)" -o dist/linux/amd64/docker-gen ./cmd/docker-gen
 	mkdir -p dist/linux/i386  && GOOS=linux GOARCH=386 go build -ldflags "$(LDFLAGS)" -o dist/linux/i386/docker-gen ./cmd/docker-gen
 	mkdir -p dist/linux/armel  && GOOS=linux GOARCH=arm GOARM=5 go build -ldflags "$(LDFLAGS)" -o dist/linux/armel/docker-gen ./cmd/docker-gen
@@ -26,6 +28,7 @@ dist: dist-clean
 
 release: dist
 	glock sync -n < GLOCKFILE
+	tar -cvzf docker-gen-alpine-linux-amd64-$(TAG).tar.gz -C dist/alpine-linux/amd64 docker-gen
 	tar -cvzf docker-gen-linux-amd64-$(TAG).tar.gz -C dist/linux/amd64 docker-gen
 	tar -cvzf docker-gen-linux-i386-$(TAG).tar.gz -C dist/linux/i386 docker-gen
 	tar -cvzf docker-gen-linux-armel-$(TAG).tar.gz -C dist/linux/armel docker-gen