services:
  no-deploy:
    image: nginx:latest
    cpus: 1.5
    mem_limit: 100M
    mem_reservation: 50M
    scale: 3

  deploy:
    image: nginx:latest
    deploy:
      replicas: 3
      resources:
        limits:
          cpus: 1.5
          memory: 100M
        reservations:
          memory: 50M

  both:
    image: nginx:latest
    cpus: 2
    mem_limit: 102400K
    mem_reservation: 52428800
    scale: 3
    deploy:
      replicas: 3
      resources:
        limits:
          cpus: 2.0
          memory: 100M
        reservations:
          memory: 50M