Minor typo fix in prod nodejs container (Cloud-CV#4752)

Author: RishabhJain2018

docker/prod/nodejs/Dockerfile

@@ -36,5 +36,5 @@ FROM nginx:1.13-alpine
 # Adding NODE_ENV here as well since this is a multistage build
 ARG NODE_ENV
 COPY docker/prod/nodejs/nginx_${NODE_ENV}.conf /etc/nginx/conf.d/default.conf
-COPY --from=node /code /code
+COPY --from=base /code /code
 COPY /ssl /etc/ssl