server:
  http_listen_port: 9080
  grpc_listen_port: 0

positions:
  filename: /tmp/positions.yaml

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

scrape_configs:
  # 场景 1: Docker stdio 收集（主要方式）
  - job_name: docker
    docker_sd_configs:
      - host: unix:///var/run/docker.sock
        refresh_interval: 5s
        filters:
          - name: label
            values: ["logging=promtail"]
    relabel_configs:
      - source_labels: ['__meta_docker_container_name']
        regex: '/(.*)'
        target_label: 'container'
      - source_labels: ['__meta_docker_container_label_logging_jobname']
        target_label: 'job'
      - source_labels: ['__meta_docker_container_id']
        target_label: '__path__'
        replacement: '/var/lib/docker/containers/$1/*.log'
    pipeline_stages:
      - json:
          expressions:
            log: log
            stream: stream
            time: time
      - json:
          source: log
          expressions:
            level: levelname
            logger: name
            message: message
            request_id: request_id
      - labels:
          level:
          logger:
      - output:
          source: log

  # 场景 2: Log 文件收集（备用）
  - job_name: app_files
    static_configs:
      - targets:
          - localhost
        labels:
          job: functional-scaffold-app-files
          __path__: /var/log/app/*.log
    pipeline_stages:
      - json:
          expressions:
            timestamp: asctime
            level: levelname
            logger: name
            message: message
            request_id: request_id
      - timestamp:
          source: timestamp
          format: "2006-01-02 15:04:05,000"
      - labels:
          level:
          logger:
      - output:
          source: message