[c] change : added more services

docker-compose.yml

@@ -34,12 +34,37 @@ services:
     container_name: prometheus
     ports:
       - 9090:9090
-    command: "--config.file=/prometheus/prometheus.yaml"
+    command: "--config.file=/etc/prometheus/prometheus.yaml"
     volumes:
-      - ./config/prometheus.yaml:/prometheus/prometheus.yaml:ro
+      - ./prometheus:/etc/prometheus
       - prometheus-data:/prometheus
     restart: unless-stopped
 
+ node_exporter:
+    image: quay.io/prometheus/node-exporter:v1.8.0
+    container_name: node_exporter
+    command: "--path.rootfs=/host"
+    pid: host
+    restart: unless-stopped
+    volumes:
+      - /:/host:ro,rslave
+
+ cadvisor:
+    image: gcr.io/cadvisor/cadvisor:v0.49.1
+    container_name: cadvisor
+    ports:
+      - 8080:8080
+    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
+    privileged: true
+    restart: unless-stopped
+
 volumes:
   caddy-data:
   grafana-data:

prometheus/prometheus.yaml

@@ -1,27 +1,18 @@
 global:
-  scrape_interval:     15s # By default, scrape targets every 15 seconds.
+  scrape_interval:     15s  
 
-  # 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: 5s
     static_configs:
       - targets: ['localhost:9090']
 
-  # Example job for node_exporter
-  # - job_name: 'node_exporter'
-  #   static_configs:
-  #     - targets: ['node_exporter:9100']
 
-  # Example job for cadvisor
-  # - job_name: 'cadvisor'
-  #   static_configs:
-  #     - targets: ['cadvisor:8080']
+  - job_name: 'node_exporter'
+    static_configs:
+      - targets: ['node_exporter:9100']
+
+
+  - job_name: 'cadvisor'
+    static_configs:
+      - targets: ['cadvisor:8080']