services:
  << service_name >>:
    image: graylog/graylog:6.1
    container_name: << service_name >>
    environment:
      - TZ=<< timezone >>
      - GRAYLOG_PASSWORD_SECRET=<< password_secret >>
      - GRAYLOG_ROOT_PASSWORD_SHA2=<< root_password_sha2 >>
      - GRAYLOG_HTTP_EXTERNAL_URI=<< app_url >>/
      - GRAYLOG_MONGODB_URI=mongodb://<< service_name >>-mongo:27017/graylog
      - GRAYLOG_ELASTICSEARCH_HOSTS=http://<< service_name >>-opensearch:9200
    volumes:
      - << appdata_dir >>/<< service_name >>:/usr/share/graylog/data/data
      - << appdata_dir >>/<< service_name >>-journal:/usr/share/graylog/data/journal
    ports:
      - "<< port >>:9000"
      - "<< port_syslog >>:1514"
      - "<< port_syslog >>:1514/udp"
      - "<< port_gelf >>:12201"
      - "<< port_gelf >>:12201/udp"
    depends_on:
      - << service_name >>-mongo
      - << service_name >>-opensearch
    restart: unless-stopped
  << service_name >>-mongo:
    image: mongo:6
    container_name: << service_name >>-mongo
    volumes:
      - << appdata_dir >>/<< service_name >>-mongo:/data/db
    restart: unless-stopped
  << service_name >>-opensearch:
    image: opensearchproject/opensearch:2
    container_name: << service_name >>-opensearch
    environment:
      - discovery.type=single-node
      - plugins.security.disabled=true
      - OPENSEARCH_JAVA_OPTS=-Xms1g -Xmx1g
      - bootstrap.memory_lock=true
    volumes:
      - << appdata_dir >>/<< service_name >>-opensearch:/usr/share/opensearch/data
    restart: unless-stopped