diff --git a/Dockerfile.gortr b/Dockerfile.gortr
index 0b32372..177c9fa 100644
--- a/Dockerfile.gortr
+++ b/Dockerfile.gortr
@@ -2,6 +2,7 @@ ARG src_dir="/gortr"
 
 FROM golang:alpine as builder
 ARG src_dir
+ARG LDFLAGS=""
 
 RUN apk --update --no-cache add git && \
     mkdir -p ${src_dir}
@@ -9,7 +10,7 @@ RUN apk --update --no-cache add git && \
 WORKDIR ${src_dir}
 COPY . .
 
-RUN go build cmd/gortr/gortr.go
+RUN go build -ldflags "${LDFLAGS}" cmd/gortr/gortr.go
 
 FROM alpine:latest as keygen
 
diff --git a/Makefile b/Makefile
index 7a13168..aa88e6f 100644
--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,7 @@ GOOS ?= linux
 ARCH ?= $(shell uname -m)
 BUILDINFOSDET ?= 
 
+DOCKER_REPO   := cloudflare/
 GORTR_NAME    := gortr
 GORTR_VERSION := $(shell git describe --tags $(git rev-list --tags --max-count=1))
 VERSION_PKG   := $(shell echo $(GORTR_VERSION) | sed 's/^v//g')
@@ -38,7 +39,7 @@ build-gortr: prepare
 
 .PHONY: docker-gortr
 docker-gortr:
-	docker build -t $(GORTR_NAME):$(GORTR_VERSION) -f Dockerfile.gortr .
+	docker build -t $(DOCKER_REPO)$(GORTR_NAME):$(GORTR_VERSION) --build-arg LDFLAGS=$(LDFLAGS) -f Dockerfile.gortr .
 
 .PHONY: package-deb-gortr
 package-deb-gortr: prepare