GO    := GO15VENDOREXPERIMENT=1 go
pkgs   = .

DOCKER_IMAGE_NAME       ?= challenge/exporter
DOCKER_IMAGE_TAG        ?= latest

all: format build test

get:
	@echo ">> get dependencies"
	@$(GO) get

style:
	@echo ">> checking code style"
	@! gofmt -d $(shell find . -path ./vendor -prune -o -name '*.go' -print) | grep '^'

test:
	@echo ">> running tests"
	@$(GO) test -short $(pkgs)

format:
	@echo ">> formatting code"
	@$(GO) fmt $(pkgs)

build:
	@echo ">> building binaries"
	@$(GO) build -o exporter
# do not use static binaries:
#	@$(GO) build -tags netgo -a -o exporter

docker:
	@echo ">> building docker image"
	@docker build -t "$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" .

.PHONY: all get style format build test docker