version: '3.1'

services:

  # ELK
  elasticsearch:
    image: elasticsearch:5.6.4-alpine

  kibana:
    image: kibana:5.6.4
    links:
      - elasticsearch
    ports:
      - 5601:5601
    environment:
      - ELASTICSEARCH_URL=http://elasticsearch:9200

  logstash:
    image: logstash:5.6.4-alpine
    command:
          "-e \"input { gelf { } } filter { } output { elasticsearch { hosts => ['elasticsearch:9200'] index => 'logstash-%{+YYYY.MM.dd}' } }\""
    links:
      - elasticsearch
    ports:
      - 12201:12201/udp

  # Our services
  rest:
    image: test/rest:stable
    command: /code/bin/app.js
    hostname: rest
    restart: always
    logging:
      driver: gelf
      options:
        gelf-address: "udp://127.0.0.1:12201"