docker-stack.yml

version: '3.7'

volumes:
    prometheus_data: {}
    grafana_data: {}

services:

  prometheus:
    image: prom/prometheus:latest
    volumes:
      - ./prometheus/:/etc/prometheus/
      - prometheus_data:/prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--storage.tsdb.retention.time=180d'
      - '--web.console.libraries=/usr/share/prometheus/console_libraries'
      - '--web.console.templates=/usr/share/prometheus/consoles'
      - '--web.enable-lifecycle'
      - '--web.enable-admin-api'
    ports:
      - 9090:9090
    depends_on:
      - cadvisor
      - pushgateway
    deploy:
      placement:
        constraints:
          - node.role==manager
      restart_policy:
        condition: on-failure
      resources:
        limits:
          cpus: '3'
          memory: 8G

  node-exporter:
    image: prom/node-exporter
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
    command: 
      - '--path.procfs=/host/proc' 
      - '--path.sysfs=/host/sys'
      - --collector.filesystem.ignored-mount-points
      - "^/(sys|proc|dev|host|etc|rootfs/var/lib/docker/containers|rootfs/var/lib/docker/overlay2|rootfs/run/docker/netns|rootfs/var/lib/docker/aufs)($$|/)"
    ports:
      - 9100:9100
    deploy:
      mode: global
      restart_policy:
          condition: on-failure

  alertmanager:
    image: prom/alertmanager
    ports:
      - 9093:9093
    volumes:
      - "./alertmanager/:/etc/alertmanager/"
    command:
      - '--config.file=/etc/alertmanager/config.yml'
      - '--storage.path=/alertmanager'
    deploy:
      placement:
        constraints:
           - node.role==manager
      restart_policy:
        condition: on-failure    

  cadvisor:
    image: gcr.io/cadvisor/cadvisor
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:rw
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
    ports:
      - 8080:8080
    deploy:
      mode: global
      restart_policy:
          condition: on-failure

  grafana:
    image: grafana/grafana
    depends_on:
      - prometheus
    ports:
      - 3000:3000
    volumes:
      - grafana_data:/var/lib/grafana
      - ./grafana/provisioning/:/etc/grafana/provisioning/
    env_file:
      - ./grafana/config.monitoring
    user: "472"
    deploy:
      placement:
        constraints:
          - node.role==manager
      restart_policy:
        condition: on-failure

  pushgateway:
    image: prom/pushgateway
    deploy:
      mode: global
      restart_policy:
        condition: on-failure
    ports:
      - 9091:9091
     
  seq:
    image: datalust/seq
    deploy:
      mode: global
      restart_policy:
        condition: on-failure
      resources:
        limits:
          cpus: '2'
          memory: 6G
    ports:
      - 7373:80
      - 5341:5341
    environment:
      - ACCEPT_EULA=Y
      - SEQ_FIRSTRUN_ADMINUSERNAME=frikandel
      - SEQ_FIRSTRUN_ADMINPASSWORDHASH=$SEQ_PASSWORD

  postgres-exporter:
    image: quay.io/prometheuscommunity/postgres-exporter
    environment:
      - DATA_SOURCE_NAME=$POSTGRES_EXPORTER_CONNSTRING
    ports:
      - 9187:9187
    depends_on:
      - prometheus
    deploy:
      mode: global
      restart_policy:
        condition: on-failure
    extra_hosts:
      - "host.docker.internal:host-gateway"