version: '3.4'
services:

  prometheus:
    image: prom/prometheus
    networks:
      - internal
      - external
      - prometheus-net
      - grafana-net
    volumes:
      - prometheus_config:/etc/prometheus
      - prometheus_data:/prometheus
    command: 
      - "--config.file=/etc/prometheus/prometheus.yml"
      - "--storage.tsdb.path=/prometheus"
      - "--web.console.libraries=/usr/share/prometheus/console_libraries"
      - "--web.console.templates=/usr/share/prometheus/consoles"
      - "--storage.tsdb.retention.time=2y"
      - "--storage.tsdb.retention.size=5GB" 
    deploy:
      mode: replicated
      replicas: 1
      restart_policy:
        condition: on-failure
        delay: 5s


volumes:
  prometheus_config:
  prometheus_data:
  
networks:
  internal:
    internal: true
  external:
  prometheus-net:
    driver: overlay
    attachable: true
    internal: true
  grafana-net:
    external: true