global:
  # The default frequency to scrape targets.
  scrape_interval: 15s 
  # The default frequency to evaluate rules.
  evaluation_interval: 15s 

scrape_configs:
  # A job for scraping Prometheus itself.
  - job_name: 'prometheus'
    # Use the service name defined in docker-compose.yml as the target hostname.
    static_configs:
      - targets: ['localhost:9090']