Docker Monitoring

docker-compose.yaml

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+services:
+  cadvisor:
+    image: gcr.io/cadvisor/cadvisor:latest
+    container_name: cadvisor
+    #network_mode: "host"
+    ports:
+      - "8080:8080"
+    restart: unless-stopped
+    command:
+      - '-housekeeping_interval=10s'
+      - '-docker_only=true'
+    volumes: 
+      - "/:/rootfs:ro"
+      - "/var/run:/var/run:rw"
+      - "/sys:/sys:ro"
+      - "/var/lib/docker/:/var/lib/docker:ro"
+      - "/dev/disk/:/dev/disk"
+#   privileged: true
+    devices: 
+      - "/dev/kmsg:/dev/kmsg"
+  prometheus:
+    image: prom/prometheus
+    container_name: prometheus
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+    ports:
+      - 9090:9090
+    restart: unless-stopped
+    volumes:
+      - ./prometheus:/etc/prometheus      
+      - prom_data:/prometheus
+    extra_hosts:
+      - "host.docker.internal:host-gateway" #Magic to allow node exporter to see the real network
+
+  grafana:
+    image: grafana/grafana
+    container_name: grafana
+    ports:
+      - 3000:3000
+    restart: unless-stopped
+    environment:
+      - GF_SECURITY_ADMIN_USER=admin
+      - GF_SECURITY_ADMIN_PASSWORD=grafana
+    volumes:
+      - ./grafana:/etc/grafana/provisioning/datasources
+      - grafana_data:/var/lib/grafana
+
+  node_exporter:
+    image: quay.io/prometheus/node-exporter:latest
+    container_name: node_exporter
+    command:
+      - '--path.rootfs=/host'
+    network_mode: host
+    pid: host
+    restart: unless-stopped
+    volumes:
+      - '/:/host:ro,rslave'
+
+volumes:
+  prom_data:
+  grafana_data:

grafana/datasource.yml

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+apiVersion: 1
+
+datasources:
+- name: Prometheus
+  type: prometheus
+  url: http://prometheus:9090 
+  isDefault: true
+  access: proxy
+  editable: true

prometheus/prometheus.yml

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+global:
+  scrape_interval: 15s
+  scrape_timeout: 10s
+  evaluation_interval: 15s
+alerting:
+  alertmanagers:
+  - static_configs:
+    - targets: []
+    scheme: http
+    timeout: 10s
+    api_version: v1
+scrape_configs:
+  - job_name: prometheus
+    honor_timestamps: true
+    scrape_interval: 15s
+    scrape_timeout: 10s
+    metrics_path: /metrics
+    scheme: http
+    static_configs:
+    - targets:
+      - localhost:9090
+
+  - job_name: cadvisor
+    static_configs:
+      - targets: ["cadvisor:8080"]
+
+  - job_name: node
+    static_configs:
+      - targets: ['host.docker.internal:9100']        
+