asepharyana-hub/infra/otel/prometheus.yml

global:
  scrape_interval: 15s
  evaluation_interval: 15s

scrape_configs:
  # ── Docker SD: containers with prometheus.io/scrape=true are auto-discovered ──
  - job_name: 'docker'
    docker_sd_configs:
      - host: unix:///var/run/docker.sock
        refresh_interval: 15s
        filters:
          - name: label
            values:
              - prometheus.io/scrape=true
    relabel_configs:
      - source_labels: [__meta_docker_container_name]
        target_label: container
        regex: '/(.*)'
        replacement: '${1}'
      - source_labels: [__meta_docker_container_label_prometheus_io_port]
        regex: '(.+)'
        target_label: __metrics_path__
        replacement: '/metrics'
      - source_labels: [__meta_docker_container_label_prometheus_io_path]
        regex: '(.+)'
        target_label: __metrics_path__
        replacement: '${1}'
      - source_labels: [__address__]
        target_label: instance

  # ── OTel Collector ──
  - job_name: 'otel-collector'
    scrape_interval: 10s
    metrics_path: /metrics
    static_configs:
      - targets: ['otel-collector:8889']
        labels:
          service: otel-collector

  # ── Node Exporter ──
  - job_name: 'node'
    scrape_interval: 15s
    static_configs:
      - targets: ['node-exporter:9100']