How to assign resources (cpu or memory) to containers that are managed in docker-compose

version: "3.3"
services: 
  myservice:
    image: ${your-service}
    ports:
      - "30080:80"
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 2g
    environment:
      PORT: 80
      REDIRECT: http://test