2.6. Prometheus Receiver

# ...
  config:
    receivers:
        prometheus:
          config:
            scrape_configs: 
              - job_name: 'my-app'  
                scrape_interval: 5s 
                static_configs:
                  - targets: ['my-app.example.svc.cluster.local:8888'] 
    service:
      pipelines:
        metrics:
          receivers: [prometheus]
# ...

# ...
  config:
    receivers:
        prometheus:
          config:
            scrape_configs: 

              - job_name: 'my-app'  

                scrape_interval: 5s 

                static_configs:
                  - targets: ['my-app.example.svc.cluster.local:8888'] 

    service:
      pipelines:
        metrics:
          receivers: [prometheus]
# ...