Docker Logging Tag

docker-compose.yaml

---
version: '2.3'

x-logging: &logging 
  driver: fluentd
  options:
    fluentd-address: localhost:24224
    fluentd-async-connect: 'true'
    tag: 'docker.{{if (index .ContainerLabels "logging-tag") }}{{index .ContainerLabels "logging-tag"}}.{{end}}{
        "service_name": "${COMPOSE_PROJECT_NAME}",
        "service_version": "${COMPOSE_PROJECT_VERSION}",
        "container_name": "{{.Name}}",
        "container_id": "{{.ID}}",
        "container_image_name": "{{.ImageName}}",
        "container_image_id": "{{index (split .ImageFullID ":") 1 | printf "%.12s"}}",
        "tags":  [ "."{{range $$key, $$value := .ContainerLabels}}, "{{$$key}}{{if $$value}}:{{$$value}}{{end}}"{{end}} ]
      }'
      
services:
  log_producer:
   image: hashicorp/http-echo
    cmd: [ "-text='hello world'"]
    ports:
      - "80:5678"
    labels:
      loggging-tag: http
      foo: bar
      production:
    logging: *logging