version: "3"

services:
  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    restart: always
    user: "1000" # needs to be `id -u` // alternatively chown the grafana/data dir to 472:472
    ports:
      - "8081:3000" # expose for localhost
    links:
      - influxdb
    volumes:
      - ./data/grafana/data:/var/lib/grafana # data path
      - ./data/grafana/provisioning:/etc/grafana/provisioning
      - ./data/grafana/grafana.ini:/etc/grafana/grafana.ini
    environment:
      - GF_INSTALL_PLUGINS=grafana-clock-panel,grafana-simple-json-datasource
      # - GF_SECURITY_ADMIN_USER=admin
      # - GF_SECURITY_ADMIN_PASSWORD=adminpass

  influxdb:
    image: influxdb
    ports:
      - "8082:8086"
    volumes:
      - ./data/influxdb/data:/var/lib/influxdb2
    # environment:
    #   - INFLUXDB_DB=main
    #   - DOCKER_INFLUXDB_INIT_MODE=setup
    #   - DOCKER_INFLUXDB_INIT_USERNAME=admin
    #   - DOCKER_INFLUXDB_INIT_PASSWORD=adminpass
    #   - DOCKER_INFLUXDB_INIT_ORG=awin
    #   - DOCKER_INFLUXDB_INIT_BUCKET=main

  telegraf:
    image: telegraf
    user: telegraf:992
    depends_on:
      - influxdb
    links:
      - influxdb
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - ./data/telegraf/telegraf.conf:/etc/telegraf/telegraf.conf:ro
    environment:
      - HOST_PROC=/proc
      - HOST_SYS=/sys
      - HOST_ETC=/etc
    #   - HOST_ETC=/hostfs/etc
    #   - HOST_PROC=/hostfs/proc
    #   - HOST_SYS=/hostfs/sys
    #   - HOST_VAR=/hostfs/var
    #   - HOST_RUN=/hostfs/run
    #   - HOST_MOUNT_PREFIX=/hostfs