version: "2"

services:

  loki:
    image: grafana/loki:2.9.9
    hostname: loki
    container_name: loki
    volumes:
      - ./volume-data/loki:/etc/loki # place loki-config.yml
    ports:
      - "127.0.0.1:3100:3100"
    restart: unless-stopped
    user: 1000:1000
    command: -config.file=/etc/loki/loki-config.yml  
    #networks:
    #  - monitoring_default

  promtail:
    image: grafana/promtail:latest
    container_name: promtail
    depends_on:
      - loki
    hostname: promtail
    volumes:
      - /var/log:/var/log:ro # let promtail access the docker host's log files
      - ./volume-data/promtail:/etc/promtail # place promtail-config.yml
      #- ${DOCKER_VOLUME_STORAGE:-/mnt/docker-volumes}/traefik/logs:/var/log/traefik # let promtail access your traefik reverse logs
    restart: unless-stopped
    command: -config.file=/etc/promtail/promtail-config.yml
    #networks:
    #  - monitoring_default

  influxdb:
    image: influxdb:1.8.10
    container_name: influxdb
    hostname: influxdb
    restart: unless-stopped
    volumes:
      - ./volume-data/influxdb/data:/var/lib/influxdb
      - ./volume-data/influxdb/influxdb.conf:/etc/influxdb/influxdb.conf:ro # place infuxdb.conf
      - ./volume-data/influxdb/init:/docker-entrypoint-initdb.d # place create-database.iql for database init
    environment:
      - INFLUXDB_ADMIN_USER=admin
      - INFLUXDB_ADMIN_PASSWORD=SuperDuperAdminPW
    #networks:
    #  - monitoring_default

  telegraf:
    image: telegraf:latest
    restart: unless-stopped
    user: telegraf:$(stat -c '%g' /var/run/docker.sock) # see: https://www.influxdata.com/blog/docker-run-telegraf-as-non-root/
    container_name: telegraf
    hostname: telegraf
    dns:
      - 1.1.1.1
      - 8.8.8.8
    depends_on:
      - influxdb
    volumes:
      - ./volume-data/telegraf/telegraf.conf:/etc/telegraf/telegraf.conf:ro # place telegraf.conf
      - /:/hostfs:ro
      - /etc:/hostfs/etc:ro
      - /proc:/hostfs/proc:ro
      - /sys:/hostfs/sys:ro
      - /var/run/utmp:/var/run/utmp:ro
      - /var/run/docker.sock:/var/run/docker.sock:ro
    environment:
      - HOST_ETC=/hostfs/etc
      - HOST_PROC=/hostfs/proc
      - HOST_SYS=/hostfs/sys
      - HOST_MOUNT_PREFIX=/hostfs
    #networks:
    #  - monitoring_default

  grafana:
    container_name: grafana
    hostname: grafana
    user: 1000:1000
    depends_on:
      - influxdb
      - loki
      - promtail
    image: grafana/grafana:latest
    restart: unless-stopped
    #environment:
    #  - GF_SERVER_ROOT_URL=https://grafana.example.com # optional
    volumes:
      - ./volume-data/grafana:/var/lib/grafana
    ports:
      - 3000:3000
    #networks:
    #  - monitoring_default
    #labels:
    #  - traefik.enable=true
    #  - traefik.http.routers.grafana.rule=Host(`grafana.example.com`)
    #  - traefik.http.services.grafana.loadbalancer.server.port=3000
    #  - traefik.docker.network=proxy
    #  # Part for local lan services only
    #  - traefik.http.routers.grafana.middlewares=local-ipwhitelist@file

#networks:
#  monitoring_default:
#   external: true