prometheus/documentation/examples/prometheus-nomad.yml

# An example scrape configuration for running Prometheus with
# Nomad build in service discovery.
#
# The following config can be used to monitor services running on
# a nomad that is started using the getting started tutorial [1]
#
# sudo nomad agent -dev -bind 0.0.0.0 -log-level INFO
#
# [1] https://learn.hashicorp.com/tutorials/nomad/get-started-run?in=nomad/get-started

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

  # Discover Nomad services to scrape.
  - job_name: 'nomad_sd'
    nomad_sd_configs:
      - server: 'http://localhost:4646'
    relabel_configs:
      - source_labels: [__meta_nomad_service]
        target_label: job