global:
  scrape_interval: 15s
  evaluation_interval: 15s

rule_files:
  - "/etc/prometheus/rules/*.yml"

alerting:
  alertmanagers:
    - static_configs:
        - targets: ['alertmanager:9093']

scrape_configs:
  - job_name: 'prometheus'
    static_configs:
      - targets: ['localhost:9090']

  - job_name: 'docker-services'
    docker_sd_configs:
      - host: unix:///var/run/docker.sock
    relabel_configs:
      # Scrape only containers that have a prometheus.scrape=true label
      - source_labels: [__meta_docker_container_label_prometheus_scrape]
        action: keep
        regex: true
      # Use the container name as the instance label
      - source_labels: [__meta_docker_container_name]
        action: replace
        target_label: instance
        regex: '/(.+)'
      # Allow overriding the port
      - source_labels: [__meta_docker_container_label_prometheus_port]
        action: replace
        target_label: __address__
        regex: '(.+)'
        replacement: '${1}'
      # Use the custom port if specified, otherwise use the first exposed port
      - source_labels: [__meta_docker_container_label_prometheus_port, __meta_docker_port_private]
        action: replace
        target_label: __address__
        regex: '([^;]+);.*'
        replacement: '${1}'
      - source_labels: [__address__, __meta_docker_container_label_prometheus_port]
        action: replace
        target_label: __address__
        regex: '([^:]+)(?::\d+)?;(\d+)'
        replacement: '${1}:${2}'