Merge pull request #580 from nginx-proxy/darwin-arm64

build: add darwin arm64 (Apple M) build

Author: buchdag

Makefile

@@ -27,6 +27,7 @@ dist: dist-clean
 	mkdir -p dist/linux/armel  && GOOS=linux GOARCH=arm GOARM=5 go build -ldflags "$(LDFLAGS)" -o dist/linux/armel/docker-gen ./cmd/docker-gen
 	mkdir -p dist/linux/armhf  && GOOS=linux GOARCH=arm GOARM=6 go build -ldflags "$(LDFLAGS)" -o dist/linux/armhf/docker-gen ./cmd/docker-gen
 	mkdir -p dist/darwin/amd64 && GOOS=darwin GOARCH=amd64 go build -ldflags "$(LDFLAGS)" -o dist/darwin/amd64/docker-gen ./cmd/docker-gen
+	mkdir -p dist/darwin/arm64 && GOOS=darwin GOARCH=arm64 go build -ldflags "$(LDFLAGS)" -o dist/darwin/arm64/docker-gen ./cmd/docker-gen
 	mkdir -p dist/windows/i386  && GOOS=windows GOARCH=386 go build -ldflags "$(LDFLAGS)" -o dist/windows/i386/docker-gen ./cmd/docker-gen
 	mkdir -p dist/windows/amd64  && GOOS=windows GOARCH=amd64 go build -ldflags "$(LDFLAGS)" -o dist/windows/amd64/docker-gen ./cmd/docker-gen
 
@@ -41,6 +42,7 @@ release: dist
 	tar -cvzf docker-gen-linux-armel-$(TAG).tar.gz -C dist/linux/armel docker-gen
 	tar -cvzf docker-gen-linux-armhf-$(TAG).tar.gz -C dist/linux/armhf docker-gen
 	tar -cvzf docker-gen-darwin-amd64-$(TAG).tar.gz -C dist/darwin/amd64 docker-gen
+	tar -cvzf docker-gen-darwin-arm64-$(TAG).tar.gz -C dist/darwin/arm64 docker-gen
 	tar -cvzf docker-gen-windows-amd64-$(TAG).tar.gz -C dist/windows/amd64 docker-gen
 	tar -cvzf docker-gen-windows-i386-$(TAG).tar.gz -C dist/windows/i386 docker-gen