fixing some functions

Makefile

@@ -0,0 +1,63 @@
+BINARY   := acme-reverseproxy
+PKG      := .
+GO       := go
+GOFLAGS  := -mod=vendor
+LDFLAGS  := -s -w
+
+BIN_DIR  := bin
+BIN      := $(BIN_DIR)/$(BINARY)
+
+.PHONY: all build install run test fmt vet mod tidy clean docker gen-config help
+
+all: build
+
+help:
+	@echo "Targets:"
+	@echo "  build       compile $(BINARY) to $(BIN)"
+	@echo "  install     install to \$$GOPATH/bin or \$$GOBIN"
+	@echo "  run         run server with example-config.toml"
+	@echo "  test        run tests"
+	@echo "  fmt         go fmt ./..."
+	@echo "  vet         go vet ./..."
+	@echo "  mod         download and verify modules"
+	@echo "  tidy        go mod tidy"
+	@echo "  gen-config  generate sample config to stdout"
+	@echo "  docker      build Docker image"
+	@echo "  clean       remove build artifacts"
+
+build: $(BIN)
+
+$(BIN):
+	@mkdir -p $(BIN_DIR)
+	$(GO) build $(GOFLAGS) -ldflags "$(LDFLAGS)" -o $(BIN) $(PKG)
+
+install:
+	$(GO) install $(GOFLAGS) -ldflags "$(LDFLAGS)" $(PKG)
+
+run: build
+	$(BIN) srv --config example-config.toml
+
+test:
+	$(GO) test $(GOFLAGS) ./...
+
+fmt:
+	$(GO) fmt ./...
+
+vet:
+	$(GO) vet $(GOFLAGS) ./...
+
+mod:
+	$(GO) mod download
+	$(GO) mod verify
+
+tidy:
+	$(GO) mod tidy
+
+gen-config: build
+	$(BIN) gen config
+
+docker:
+	docker build -t $(BINARY) .
+
+clean:
+	rm -rf $(BIN_DIR)