* Removed the default from the go code (set it as N/A)

* Changed version from latest to dev inside makefile
* Added buildarg for version to the dockerfile in the makerfile
* Added VERSION with default dev value as arg inside dockerfile
* Cleaned up inside dockerfile

Dockerfile

@@ -5,8 +5,6 @@ WORKDIR /workspace
 
 # Make it runnable on a distroless image/without libc
 ENV CGO_ENABLED=0
-# Enviroment Variable used inside main to display current ARC version
-ENV ARC_VERSION=$VERSION
 # Copy the Go Modules manifests
 COPY go.mod go.sum ./
 
@@ -26,7 +24,7 @@ RUN go mod download
 # With the above commmand,
 # TARGETOS can be "linux", TARGETARCH can be "amd64", "arm64", and "arm", TARGETVARIANT can be "v7".
 
-ARG TARGETPLATFORM TARGETOS TARGETARCH TARGETVARIANT
+ARG TARGETPLATFORM TARGETOS TARGETARCH TARGETVARIANT VERSION=dev
 
 # We intentionally avoid `--mount=type=cache,mode=0777,target=/go/pkg/mod` in the `go mod download` and the `go build` runs
 # to avoid https://github.com/moby/buildkit/issues/2334

Makefile

@@ -4,7 +4,7 @@ else
 	NAME ?= summerwind/actions-runner-controller
 endif
 DOCKER_USER ?= $(shell echo ${NAME} | cut -d / -f1)
-VERSION ?= latest
+VERSION ?= dev
 RUNNER_VERSION ?= 2.294.0
 TARGETPLATFORM ?= $(shell arch)
 RUNNER_NAME ?= ${DOCKER_USER}/actions-runner
@@ -119,6 +119,7 @@ docker-buildx:
 	docker buildx build --platform ${PLATFORMS} \
 		--build-arg RUNNER_VERSION=${RUNNER_VERSION} \
 		--build-arg DOCKER_VERSION=${DOCKER_VERSION} \
+		--build-arg VERSION=${VERSION} \
 		-t "${NAME}:${VERSION}" \
 		-f Dockerfile \
 		. ${PUSH_ARG}

build/version.go

@@ -1,4 +1,4 @@
 package build
 
 // This is overridden at build-time using go-build ldflags. dev is the fallback value
-var Version = "dev"
+var Version = "N/A"