Resource variables do not need set in environment area.

Config/HugoExample/docker-compose.example.yml

@@ -16,8 +16,6 @@ services:
       - BRANCH=$BRANCH
       - PROD=$PROD
       - DEV=$DEV
-      - CPU=$CPU
-      - MEM=$MEM
     healthcheck:
       test: curl -sS http://localhost:80 || curl -sS http://localhost:1380 || exit 1
       interval: 1m