version: "3"

networks:
  autoscale:

services:
  docker-swarm-autoscale:
    image: jcwimer/docker-swarm-autoscale
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
    environment:
      - PROMETHEUS_URL=http://prometheus:9090
    networks:
      - autoscale
    deploy:
      mode: replicated
      replicas: 1
      placement:
        constraints:
          - node.role == manager
      resources:
        limits:
          cpus: '0.10'
          memory: 128M
        reservations:
          cpus: '0.10'
          memory: 64M
  cadvisor:
    image: google/cadvisor:${CADVISOR_VERSION:-v0.25.0}
    networks:
      - autoscale
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - /:/rootfs
      - /var/run:/var/run
      - /sys:/sys
      - /var/lib/docker/:/var/lib/docker
    deploy:
      mode: global
      resources:
        limits:
          cpus: '0.10'
          memory: 128M
        reservations:
          cpus: '0.10'
          memory: 64M

  prometheus:
    image: jcwimer/prometheus-swarm-autoscale
    networks:
      - autoscale
    command: --storage.tsdb.retention 1d --config.file=/etc/prometheus/prometheus.yml
    deploy:
      mode: replicated
      replicas: 1
      placement:
        constraints:
          - node.role == worker
      resources:
        limits:
          cpus: '0.50'
          memory: 1024M
        reservations:
          cpus: '0.50'
          memory: 128M