services:
  loki:
    image: grafana/loki:2.6.1
    restart: always
    expose:
      - "3100"
    # ...

  enhance_middleware:
      image: nihiue/loki_enhance_middleware:latest
      restart: always

      environment:
        - LOKI_HOST=http://loki:3100
        - WORKER_COUNT=1
        - PORT=3100

      expose:
        - 3100

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

scrape_configs:
  - job_name: caddy
    pipeline_stages:
      - json:
          expressions:
            level:
            status:
            host: request.host
            method: request.method
            url: request.uri
            remote_addr: request.remote_addr

      - labels:
          level:
          status:
          method:

      - template:
          source: output_msg
          template: 'url="{{ .url }}" host="{{ .host }}" GeoIP_Source="{{.remote_addr }}"'

      - output:
          source: output_msg