Table of Contents

1. Challenge

   Create a prometheus.yml File

   In the root directory, create prometheus.yml:

   scrape_configs:
   - job_name: cadvisor
     scrape_interval: 5s
     static_configs:
     - targets:
       - cadvisor:8080
   

2. Challenge

   Create the Prometheus Services

   Create a docker-compose.yml file:

   version: '3'
   services:
     prometheus:
       image: prom/prometheus:latest
       container_name: prometheus
       ports:
         - 9090:9090
       command:
         - --config.file=/etc/prometheus/prometheus.yml
       volumes:
         - ./prometheus.yml:/etc/prometheus/prometheus.yml
       depends_on:
         - cadvisor
       
     cadvisor:
       image: google/cadvisor:latest
       container_name: cadvisor
       ports:
         - 8080:8080
       volumes:
         - /:/rootfs:ro
         - /var/run:/var/run:rw
         - /sys:/sys:ro
         - /var/lib/docker:/var/lib/docker:ro
   

   Stand up the environment.

   docker-compose up -d
   

3. Challenge

   Create stats.sh

   Create stats.sh in /root.

   docker stats --format "table {{.Name}} {{.ID}} {{.MemUsage}} {{.CPUPerc}}"
   

   Make sure the file can be executed.

   chmod a+x stats.sh
   

   Execute the script.

   ./stats.sh
   

   When you're finished, exit by pressing Ctrl+C.