chore: use build-arg VERSION for docker build

Author: rocwind

Dockerfile

@@ -1,5 +1,7 @@
 FROM node:lts-alpine
 
+ARG VERSION latest
+
 RUN npm install -g @shm-open/code-push-server@${VERSION} pm2@latest --no-optional
 
 RUN mkdir /data/
@@ -10,4 +12,4 @@ COPY ./process.json /data/process.json
 
  # CMD ["pm2-runtime", "/data/process.json"]
  # workaround for issue https://github.com/Unitech/pm2/issues/4950
- CMD ["sh", "-c", "pm2 ps && pm2-runtime /data/process.json"]
+ CMD ["sh", "-c", "pm2 ps && pm2-runtime /data/process.json"]

Makefile

@@ -17,7 +17,7 @@ coverage:
 release-docker:
 	@echo "\nBuilding docker image..."
 	docker pull node:lts-alpine
-	VERSION=${VERSION} docker build -t shmopen/code-push-server:latest --no-cache .
+	docker build --build-arg VERSION=${VERSION} -t shmopen/code-push-server:latest --no-cache .
 	docker tag shmopen/code-push-server:latest shmopen/code-push-server:${VERSION}
 	docker push shmopen/code-push-server:${VERSION}
 	docker push shmopen/code-push-server:latest