docker-compose.yml

version: '3'
services:
  opensearch-node1:
    image: opensearchproject/opensearch:1.2.4
    container_name: opensearch-node1
    environment:
      - cluster.name=opensearch-cluster
      - node.name=opensearch-node1
      - discovery.seed_hosts=opensearch-node1
      - cluster.initial_master_nodes=opensearch-node1
      - bootstrap.memory_lock=true # along with the memlock settings below, disables swapping
      - "OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m" # minimum and maximum Java heap size, recommend setting both to 50% of system RAM
    ulimits:
      memlock:
        soft: -1
        hard: -1
      nofile:
        soft: 65536 # maximum number of open files for the OpenSearch user, set to at least 65536 on modern systems
        hard: 65536
    volumes:
      - opensearch-data1:/usr/share/opensearch/data
    ports:
      - 9200:9200
      - 9600:9600 # required for Performance Analyzer
    networks:
      - opensearch-net
  # opensearch-dashboards:
  #   image: opensearchproject/opensearch-dashboards:1.2.0
  #   container_name: opensearch-dashboards
  #   ports:
  #     - 5601:5601
  #   expose:
  #     - "5601"
  #   environment:
  #     OPENSEARCH_HOSTS: '["https://opensearch-node1:9200"]' # must be a string with no spaces when specified as an environment variable
  #   networks:
  #     - opensearch-net

volumes:
  opensearch-data1:

networks:
  opensearch-net: