server:
  http_listen_port: 9080
  grpc_listen_port: 0

positions:
  filename: /tmp/positions.yaml

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

scrape_configs:
  # Scrape Docker container logs
  - job_name: docker
    docker_sd_configs:
      - host: unix:///var/run/docker.sock
        refresh_interval: 30s
        filters:
          - name: label
            values: ["com.docker.compose.project"]
    relabel_configs:
      - source_labels: ['__meta_docker_container_name']
        regex: '/(.*)'
        target_label: container
      - source_labels: ['__meta_docker_container_label_com_docker_compose_service']
        target_label: service
      - source_labels: ['__meta_docker_container_label_com_docker_compose_project']
        target_label: project
    pipeline_stages:
      # Try to parse JSON logs (Node.js services emit JSON via pino/winston)
      - json:
          expressions:
            level: level
            service: service
            request_id: request_id
            session_id: session_id
            msg: msg
      - labels:
          level:
          request_id:
          session_id:
      # If "level" is missing, leave as info
      - template:
          source: level
          template: '{{ if .Value }}{{ .Value }}{{ else }}info{{ end }}'