version: '3'

services:
  prometheus:
    image: prom/prometheus
    container_name: prometheus
    ports:
      - "9090:9090"
    volumes:
      - /etc/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
    restart: always

  grafana:
    image: grafana/grafana
    container_name: grafana
    ports:
      - "3000:3000"
    volumes:
      - ./grafana:/var/lib/grafana
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=yourpassword
    user: "${UID}:${GID}"
    depends_on:
      - prometheus
    restart: always

  node_exporter:
    image: quay.io/prometheus/node-exporter:latest
    container_name: node_exporter
    command:
      - '--path.rootfs=/host'
    pid: host
    restart: unless-stopped
    volumes:
      - '/:/host:ro,rslave'
      
  cadvisor:
    # Check latest release https://github.com/google/cadvisor/releases 
    image: gcr.io/cadvisor/cadvisor:v0.45.0     
    container_name: cadvisor
    ports:
      - "8080:8080"
    network_mode: host
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:ro
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
      - /dev/disk/:/dev/disk:ro
    devices:
      - /dev/kmsg
    restart: unless-stopped
    privileged: true      

global:
  scrape_interval:     15s # By default, scrape targets every 15 seconds.


  # Attach these labels to any time series or alerts when communicating with

  # external systems (federation, remote storage, Alertmanager).

  # external_labels:

  #  monitor: 'codelab-monitor'


# A scrape configuration containing exactly one endpoint to scrape:

# Here it's Prometheus itself.

scrape_configs:
  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.

  - job_name: 'prometheus'
    # Override the global default and scrape targets from this job every 5 seconds.

    scrape_interval: 30s
    scrape_timeout: 30s
    static_configs:
      - targets: ['localhost:9090']

  # Job for node_exporter

  - job_name: 'node_exporter'
    static_configs:
      - targets: ['node_exporter:9100']

  # Job for cadvisor

  - job_name: 'cadvisor'
    scrape_interval: 30s
    scrape_timeout: 30s
    static_configs:
      - targets: ['cadvisor:8080']