diff --git a/docker-compose-telegraf-agent.yml b/docker-compose-telegraf-agent.yml
index b2571f6..c143688 100644
--- a/docker-compose-telegraf-agent.yml
+++ b/docker-compose-telegraf-agent.yml
@@ -19,11 +19,7 @@ services:
       - /var/run:/var/run:rw
       - /sys:/sys:ro
       - /var/lib/docker:/var/lib/docker:ro
-      - /cgroup:/cgroup:ro #doesn't work on MacOS only for Linux
+      - /cgroup:/cgroup:ro
     restart: unless-stopped
     ports:
-      - "8080:8080"
-    # networks:
-    #   - monitor-net
-    # labels:
-    #   org.label-schema.group: "monitoring"
\ No newline at end of file
+      - '8080:8080'
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 5dad7e4..3901b33 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 version: '3.6'
 
 services:
-
+# store datas in DB
   influxdb:
     image: influxdb:1.8-alpine
     container_name: influxdb
@@ -13,6 +13,7 @@ services:
       - influxdb_data:/var/lib/influxdb
       - ./influxdb/imports:/imports
 
+# Dashboard
   grafana:
     image: grafana/grafana:8.0.2
     container_name: grafana
@@ -29,6 +30,7 @@ services:
       - ./grafana/provisioning/:/etc/grafana/provisioning/
       - ./grafana/dashboards/:/var/lib/grafana/dashboards/
 
+# host metrics
   telegraf:
     image: telegraf:1.18-alpine
     # image: telegraf:latest #(for amd64)
@@ -43,6 +45,21 @@ services:
     ports:
     - '8125:8125/udp'
 
+# containers metrics
+  cadvisor:
+    image: gcr.io/cadvisor/cadvisor
+    # + image arm64
+    container_name: cadvisor
+    restart: unless-stopped
+    volumes:
+      - /:/rootfs:ro
+      - /var/run:/var/run:rw
+      - /sys:/sys:ro
+      - /var/lib/docker:/var/lib/docker:ro
+      - /cgroup:/cgroup:ro
+    ports:
+      - '8080:8080'
+# gather metrics and launch alerts
   prometheus:
     image: prom/prometheus:v2.17.1
     container_name: prometheus
@@ -58,8 +75,9 @@ services:
       - '--storage.tsdb.retention.time=200h'
       - '--web.enable-lifecycle'
     ports:
-      - "9090:9090"
+      - '9090:9090'
 
+# alert manager!
   alertmanager:
     image: prom/alertmanager:v0.20.0
     container_name: alertmanager
@@ -70,7 +88,7 @@ services:
       - '--config.file=/etc/alertmanager/alertmanager.yml'
       - '--storage.path=/alertmanager'
     ports:
-      - "9093:9093"
+      - '9093:9093'
 
   pushgateway:
     image: prom/pushgateway:v1.2.0