Makefile: support Go module

Author: zchee

Makefile

@@ -2,25 +2,24 @@ PACKAGES := $(shell go list ./...)
 
 .PHONY: build
 build: dep
-	@go build -o build/proxy cmd/proxy/main.go
+	@GO111MODULE=on go build -o build/proxy cmd/proxy/main.go
 
 .PHONY: dep
 dep:
-	dep version || curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
-	@dep ensure -v
+	@GO111MODULE=on go mod vendor
 
 .PHONY: test
 test:
-	@go test -v -race ./...
+	@GO111MODULE=on go test -v -race ./...
 
 .PHONY: coverage
 coverage:
-	@go test -race -coverpkg=./... -coverprofile=coverage.txt ./...
+	@GO111MODULE=on go test -race -coverpkg=./... -coverprofile=coverage.txt ./...
 
 .PHONY: reviewdog
 reviewdog: devel-deps
 	reviewdog -reporter="github-pr-review"
 
 .PHONY: devel-deps
 devel-deps:
-	@./misc/scripts/install-devel-deps.sh
+	@GO111MODULE=on ./misc/scripts/install-devel-deps.sh