prometheus/documentation/examples/prometheus-eureka.yml

# A example scrape configuration for running Prometheus with Eureka.

scrape_configs:

  # Make Prometheus scrape itself for metrics.
  - job_name: 'prometheus'
    static_configs:
      - targets: ['localhost:9090']

  # Discover Eureka services to scrape.
  - job_name: 'eureka'

    # Scrape Eureka itself to discover new services.
    eureka_sd_configs:
      - server: http://localhost:8761/eureka

    relabel_configs:
      # You can use Eureka's application instance metadata.
      # If you are using SpringBoot, you can add metadata using eureka.instance.metadataMap like this:
      # application.yaml (spring-boot)
      # eureka:
      #  instance:
      #    metadataMap:
      #      "prometheus.scrape": "true"
      #      "prometheus.path": "/actuator/prometheus"
      #      "prometheus.port": "8080"
      #
      #
      # Example relabel to scrape only application that have
      # "prometheus.scrape = true" metadata.
      #  - source_labels: [__meta_eureka_app_instance_metadata_prometheus_scrape]
      #    action: keep
      #    regex: true
      #
      # application.yaml (spring-boot)
      # eureka:
      #  instance:
      #    metadataMap:
      #      "prometheus.scrape": "true"
      #
      # Example relabel to customize metric path based on application
      # "prometheus.path = <metric path>" annotation.
      #  - source_labels: [__meta_eureka_app_instance_metadata_prometheus_path]
      #    action: replace
      #    target_label: __metrics_path__
      #    regex: (.+)
      #
      # application.yaml (spring-boot)
      # eureka:
      #  instance:
      #    metadataMap:
      #      "prometheus.path": "/actuator/prometheus"
      #
      # Example relabel to scrape only single, desired port for the application
      # based on application "prometheus.port = <port>" metadata.
      #  - source_labels: [__address__, __meta_eureka_app_instance_metadata_prometheus_port]
      #    action: replace
      #    regex: ([^:]+)(?::\d+)?;(\d+)
      #    replacement: $1:$2
      #    target_label: __address__
      #
      # application.yaml (spring-boot)
      # eureka:
      #  instance:
      #    metadataMap:
      #      "prometheus.port": "8080"