docker-compose.yml

version: '3'
services:
  node-exporter:
    restart: unless-stopped
    image: prom/node-exporter:latest
    container_name: node-exporter
    hostname: raspberry-pi
    ports:
    - 9100:9100
    volumes:
    - /proc:/host/proc:ro
    - /sys:/host/sys:ro
    - /media:/media:ro
    - node-exporter-textfile:/textfile
    command: --collector.textfile.directory=/textfile

  prometheus:
    restart: unless-stopped
    image: prom/prometheus:latest
    container_name: prometheus
    ports:
    - 9090:9090
    links:
    - node-exporter:node-exporter
    volumes:
    - ./prometheus-config.yml:/etc/prometheus/prometheus.yml
    - prometheus:/prometheus

  rpi-thermal-exporter:
    restart: unless-stopped
    image: busybox:latest
    container_name: rpi-thermal-exporter
    volumes:
    - node-exporter-textfile:/textfile
    - /sys:/host/sys:ro
    command: /bin/sh -c 'while [ 1 ]; do /bin/echo cpu_temperature `cat /host/sys/class/thermal/thermal_zone0/temp` > /textfile/thermal_zone0.prom; sleep 5; test $$? -gt 128 && break; done'

  grafana:
    restart: unless-stopped
    image: grafana/grafana:master
    container_name: grafana
    ports:
    - 3000:3000
    links:
    - prometheus:prometheus
    volumes:
    - grafana:/var/lib/grafana
    - ./prometheus-datasource.yml:/etc/grafana/provisioning/datasources/prometheus.yml
    - ./rpi-dashboard-provisioning.yml:/etc/grafana/provisioning/dashboards/rpi-dashboard-provisioning.yml
    - ./rpi-dashboard.json:/etc/grafana/data/dashboards/rpi-dashboard.json

volumes:
  node-exporter-textfile:
  grafana:
  prometheus: