node-distro/deploy/docker-compose/configs/promtail.yml

positions:
  filename: "/data/positions.yml"

clients:
  - url: "http://loki:3100/loki/api/v1/push"

scrape_configs:
  - job_name: "rust-peer"
    docker_sd_configs:
      - host: unix:///var/run/docker.sock
        filters:
          - name: label
            values: ["scrape=true"]
    pipeline_stages:
      - multiline:
          firstline: '^(?P<time>\S+)\s+(?P<level>\S+)\s+\S+'
      - regex:
          expression: '^(?P<time>\S+)\s+(?P<level>\S+)\s+\S+.*'
      - timestamp:
          source: time
          format: "RFC3339Nano"
    relabel_configs:
      - source_labels: ["__meta_docker_container_label_name"]
        target_label: "instance"
      - replacement: "demo"
        target_label: env