version: "3.8"

services:
  mongodb:
    image: "mongo:4.2"
    volumes:
      - "mongodb_data:/data/db"
    restart: "on-failure"

  elasticsearch:
    environment:
      ES_JAVA_OPTS: "-Xms1g -Xmx1g -Dlog4j2.formatMsgNoLookups=true"
      bootstrap.memory_lock: "true"
      discovery.type: "single-node"
      http.host: "0.0.0.0"
      action.auto_create_index: "false"
    image: "docker.elastic.co/elasticsearch/elasticsearch-oss:7.10.2"
    ulimits:
      memlock:
        hard: -1
        soft: -1
    volumes:
      - "es_data:/usr/share/elasticsearch/data"
    restart: "on-failure"

  graylog:
    image: "graylog/graylog:4.2"
    depends_on:
      elasticsearch:
        condition: "service_started"
      mongodb:
        condition: "service_started"
    entrypoint: "/usr/bin/tini -- wait-for-it elasticsearch:9200 --  /docker-entrypoint.sh"
    environment:
      GRAYLOG_NODE_ID_FILE: "/usr/share/graylog/data/config/node-id"
      GRAYLOG_PASSWORD_SECRET: ${GRAYLOG_PASSWORD_SECRET:?Please configure GRAYLOG_PASSWORD_SECRET in the .env file}
      GRAYLOG_ROOT_PASSWORD_SHA2: ${GRAYLOG_ROOT_PASSWORD_SHA2:?Please configure GRAYLOG_ROOT_PASSWORD_SHA2 in the .env file}
      GRAYLOG_HTTP_BIND_ADDRESS: "0.0.0.0:9000"
      GRAYLOG_HTTP_EXTERNAL_URI: "http://localhost:9000/"
      GRAYLOG_ELASTICSEARCH_HOSTS: "http://elasticsearch:9200"
      GRAYLOG_MONGODB_URI: "mongodb://mongodb:27017/graylog"
    ports:
    - "5044:5044/tcp"   # Beats
    - "5140:5140/udp"   # Syslog
    - "5140:5140/tcp"   # Syslog
    - "5555:5555/tcp"   # RAW TCP
    - "5555:5555/udp"   # RAW TCP
    - "9001:9000/tcp"   # Server API
    - "12201:12201/tcp" # GELF TCP
    - "12201:12201/udp" # GELF UDP
    #- "10000:10000/tcp" # Custom TCP port
    #- "10000:10000/udp" # Custom UDP port
    - "13301:13301/tcp" # Forwarder data
    - "13302:13302/tcp" # Forwarder config
    volumes:
      - "graylog_data:/usr/share/graylog/data/data"
      - "graylog_journal:/usr/share/graylog/data/journal"
    restart: "on-failure"
volumes:
  mongodb_data:
  es_data:
  graylog_data:
  graylog_journal: