Add a release Makefile

Makefile

@@ -0,0 +1,20 @@
+NAME:=$(shell basename $$PWD)
+ARCH:=$(shell uname -m)
+REPO:=$(shell git config --get remote.origin.url | perl -ne 'm{github.com[:/](.+/[^.]+)}; print  $$1')
+VERSION=0.0.2
+
+build:
+	go build
+
+build_linux:
+	docker-machine start || true
+	bash -c 'eval $$(docker-machine env) ; rocker build --no-garbage'
+
+release: build build_linux
+	rm -rf release && mkdir release
+	mkdir -p build/Darwin && mv $(NAME) build/Darwin
+	tar -zcf release/$(NAME)_$(VERSION)_darwin_$(ARCH).tgz -C build/Darwin $(NAME)
+	tar -zcf release/$(NAME)_$(VERSION)_linux_$(ARCH).tgz -C build/Linux $(NAME)
+	gh-release create $(REPO) $(VERSION) master
+
+.PHONY: release build build_linux

Rockerfile

@@ -4,5 +4,6 @@ WORKDIR /go/src/github.com/tulip/terraform-provider-twilio
 ATTACH ["/bin/bash"]
 RUN go get
 TAG terraform-provider-twilio-buildenv
-RUN go build
+RUN mkdir -p build/Linux
+RUN go build -o build/Linux/terraform-provider-twilio