docker-compose.yml

version: '3'
services:
  opensearch-node1:
    image: opensearchproject/opensearch:2.7.0
    container_name: opensearch-node1
    environment:
      - cluster.name=opensearch-cluster # Name the cluster
      - node.name=opensearch-node1 # Name the node that will run in this container
      - discovery.seed_hosts=opensearch-node1,opensearch-node2 # Nodes to look for when discovering the cluster
      - cluster.initial_cluster_manager_nodes=opensearch-node1,opensearch-node2 # Nodes eligibile to serve as cluster manager
      - bootstrap.memory_lock=true # Disable JVM heap memory swapping
      - 'OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m' # Set min and max JVM heap sizes to at least 50% of system RAM
      - 'DISABLE_INSTALL_DEMO_CONFIG=true' # Prevents execution of bundled demo script which installs demo certificates and security configurations to OpenSearch
      - 'DISABLE_SECURITY_PLUGIN=true' # Disables Security plugin
    ulimits:
      memlock:
        soft: -1 # Set memlock to unlimited (no soft or hard limit)
        hard: -1
      nofile:
        soft: 65536 # Maximum number of open files for the opensearch user - set to at least 65536
        hard: 65536
    volumes:
      - opensearch-data1:/usr/share/opensearch/data # Creates volume called opensearch-data1 and mounts it to the container
    ports:
      - 9200:9200 # REST API
      - 9600:9600 # Performance Analyzer
    networks:
      - opensearch-net # All of the containers will join the same Docker bridge network
  opensearch-node2:
    image: opensearchproject/opensearch:2.7.0
    container_name: opensearch-node2
    environment:
      - cluster.name=opensearch-cluster # Name the cluster
      - node.name=opensearch-node2 # Name the node that will run in this container
      - discovery.seed_hosts=opensearch-node1,opensearch-node2 # Nodes to look for when discovering the cluster
      - cluster.initial_cluster_manager_nodes=opensearch-node1,opensearch-node2 # Nodes eligibile to serve as cluster manager
      - bootstrap.memory_lock=true # Disable JVM heap memory swapping
      - 'OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m' # Set min and max JVM heap sizes to at least 50% of system RAM
      - 'DISABLE_INSTALL_DEMO_CONFIG=true' # Prevents execution of bundled demo script which installs demo certificates and security configurations to OpenSearch
      - 'DISABLE_SECURITY_PLUGIN=true' # Disables Security plugin
    ulimits:
      memlock:
        soft: -1 # Set memlock to unlimited (no soft or hard limit)
        hard: -1
      nofile:
        soft: 65536 # Maximum number of open files for the opensearch user - set to at least 65536
        hard: 65536
    volumes:
      - opensearch-data2:/usr/share/opensearch/data # Creates volume called opensearch-data2 and mounts it to the container
    networks:
      - opensearch-net # All of the containers will join the same Docker bridge network
  opensearch-dashboards:
    image: opensearchproject/opensearch-dashboards:2.7.0
    container_name: opensearch-dashboards
    ports:
      - 5601:5601 # Map host port 5601 to container port 5601
    expose:
      - '5601' # Expose port 5601 for web access to OpenSearch Dashboards
    environment:
      - 'OPENSEARCH_HOSTS=["http://opensearch-node1:9200","http://opensearch-node2:9200"]'
      - 'DISABLE_SECURITY_DASHBOARDS_PLUGIN=true' # disables security dashboards plugin in OpenSearch Dashboards
    networks:
      - opensearch-net

volumes:
  opensearch-data1:
  opensearch-data2:

networks:
  opensearch-net: