version: '3.7'

services:

  fluentd:
    build: ./fluentd
    restart: always
    networks:
      - graylog
    ports:
      - 24224:24224
      - 24224:24224/udp

  mongo:
    image: mongo:4.2.2
    restart: always
    networks:
      - graylog

  elasticsearch:
    image: elasticsearch:6.8.6
    restart: always
    environment:
      - http:host=0.0.0.0
      - transport.host=localhost
      - network.host=0.0.0.0
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    networks:
      - graylog

  graylog:
    image: graylog/graylog:3.2.1
    restart: always
    environment:
      - GRAYLOG_PASSWORD_SECRET=LongerPassword01
      # Password: admin
      - GRAYLOG_ROOT_PASSWORD_SHA2=8c6976e5b5410415bde908bd4dee15dfb167a9c873fc4bb8a81f6f2ab448a918
      - GRAYLOG_HTTP_EXTERNAL_URI=http://172.28.128.30:9000/
    networks:
      - graylog
    depends_on:
      - mongo
      - elasticsearch
    ports:
      # 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

networks:
  graylog:
    driver: bridge