# https://grafana.com/docs/loki/latest/clients/promtail/configuration/
# https://docs.docker.com/engine/api/v1.41/#operation/ContainerList
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:
  - job_name: flog_scrape
    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_log_stream"]
        target_label: "logstream"
      - source_labels: ["__meta_docker_container_label_logging_jobname"]
        target_label: "job"
    pipeline_stages:
      - cri: {}
      - multiline:
          firstline: ^\d{4}-\d{2}-\d{2} \d{1,2}:\d{2}:\d{2},\d{3}
          max_wait_time: 3s
      # https://grafana.com/docs/loki/latest/clients/promtail/stages/json/
      - json:
          expressions:
            #message: message
            level: level
            #output: 'message'