version: '2'
services:

  # MongoDB: https://hub.docker.com/_/mongo/
  mongodb:
    image: 'mongo:3'
    volumes:
      - 'mongo_data:/data/db'

  # Elasticsearch: https://www.elastic.co/guide/en/elasticsearch/reference/6.x/docker.html
  elasticsearch:
    image: 'docker.elastic.co/elasticsearch/elasticsearch-oss:6.8.4'
    mem_limit: 4g
    restart: always
    volumes:
      - 'es_data:/usr/share/elasticsearch/data'
    env_file:
      - ./elasticsearch.env
    ulimits:
      memlock:
        soft: -1
        hard: -1
    ports:
      - '9200:9200'

  # Graylog: https://hub.docker.com/r/graylog/graylog/
  graylog:
    build: 
      context: ./graylog/.
      args:
        - GRAYLOG_PLUGIN_DIR
    volumes:
      - 'graylog_journal:/usr/share/graylog/data/journal'
      - './service-names-port-numbers.csv:/etc/graylog/server/service-names-port-numbers.csv'
    env_file:
      - ./graylog.env
    links:
      - 'mongodb:mongo'
      - elasticsearch
    depends_on:
      - mongodb
      - elasticsearch
    ports:
      # Netflow
      - '2055:2055/udp'
      # Syslog Feed
      - '5442:5442/udp'
      # Graylog web interface and REST API
      - '9000:9000'
      # Syslog TCP
      - '1514:1514'
      # Syslog UDP
      - '1514:1514/udp'
      # GELF TCP
      - '12201:12201'
      # GELF UDP
      - '12201:12201/udp'

  # Kibana : https://www.elastic.co/guide/en/kibana/6.8/index.html
  kibana:
    image: 'docker.elastic.co/kibana/kibana-oss:6.8.4'
    env_file:
      - kibana.env
    depends_on:
      - elasticsearch
    ports:
      - '5601:5601'
  cerebro:
    image: lmenezes/cerebro
    ports:
      - '9001:9000'
    links:
      - elasticsearch
    depends_on:
      - elasticsearch
    logging:
      driver: "json-file"
      options:
        max-size: "100M"

  influxdb:
    image: 'influxdb:latest'
    env_file:
      - ./influxdb.env
    ports:
      - '8086:8086'
    volumes:
      - 'influxdb:/var/lib/influxdb'
    logging:
      driver: "json-file"
      options:
        max-size: "100M"

  grafana:
    image: 'grafana/grafana:latest'
    env_file:
      - ./grafana.env
    ports:
      - '3000:3000'
    volumes:
      - 'grafana:/var/lib/grafana'
      - './provisioning/:/etc/grafana/provisioning'
    links:
      - elasticsearch
      - influxdb
    depends_on:
      - elasticsearch
      - influxdb
    logging:
      driver: "json-file"
      options:
        max-size: "100M"

# Volumes for persisting data, see https://docs.docker.com/engine/admin/volumes/volumes/
volumes:
  mongo_data:
    driver: local
  es_data:
    driver: local
  graylog_journal:
    driver: local
  grafana:
    driver: local
  influxdb:
    driver: local