# Ships every container's JSON logs to Loki (docker service discovery),
# tagging streams with the compose project / service / container name so
# logs are filterable in Grafana, e.g. {compose_service="api"}.
server:
  http_listen_port: 9080

positions:
  filename: /tmp/positions.yaml

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

scrape_configs:
  - job_name: docker
    docker_sd_configs:
      - host: unix:///var/run/docker.sock
        refresh_interval: 30s
        filters:
          - name: label
            values: ["com.docker.compose.service"]
    relabel_configs:
      - source_labels: ["__meta_docker_container_label_com_docker_compose_project"]
        target_label: compose_project
      - source_labels: ["__meta_docker_container_label_com_docker_compose_service"]
        target_label: compose_service
      - source_labels: ["__meta_docker_container_name"]
        target_label: container
    pipeline_stages:
      - json:
          expressions:
            ts: time
            stream: stream
            log: log
      - labels:
          stream:
      - timestamp:
          source: ts
          format: RFC3339Nano
      - output:
          source: log