version: "3.9"
services:
  opensearch-node1: # This is also the hostname of the container within the Docker network (i.e. https://opensearch-node1/)
    image: opensearchproject/opensearch:2.12.0
    container_name: opensearch-node1
    logging:
      driver: "json-file"
      options:
        max-size: "250m"
    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
      - OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_INITIAL_ADMIN_PASSWORD} # Sets the demo admin user password when using demo configuration (for OpenSearch 2.12 and later)
      - discovery.type=single-node
    ulimits:
      nofile: 65536
    volumes:
      - opensearch-data1:/usr/share/opensearch/data # Creates volume called opensearch-data1 and mounts it to the container
    ports:
      - 127.0.0.1:9200:9200 # REST API
      - 172.17.0.1:9200:9200 # REST API
      - 127.0.0.1:9600:9600 # Performance Analyzer
      - 172.17.0.1:9600:9600 # Performance Analyzer
    networks:
      - opensearch-net # All of the containers will join the same Docker bridge network
  # opensearch-node2:
  #   image: opensearchproject/opensearch:2.12.0 # This should be the same image used for opensearch-node1 to avoid issues
  #   container_name: opensearch-node2
  #   deploy:
  #     resources:
  #       limits:
  #         memory: 4096M
  #   logging:
  #     driver: "json-file"
  #     options:
  #       max-size: "250m"
  #   environment:
  #     - cluster.name=opensearch-cluster
  #     - node.name=opensearch-node2
  #     - discovery.seed_hosts=opensearch-node1,opensearch-node2
  #     - cluster.initial_cluster_manager_nodes=opensearch-node1,opensearch-node2
  #     - bootstrap.memory_lock=true
  #     - "OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m"
  #     - OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_INITIAL_ADMIN_PASSWORD}
  #   ulimits:
  #     nofile: 65536
  #   volumes:
  #     - opensearch-data2:/usr/share/opensearch/data
  #   networks:
  #     - opensearch-net
  opensearch-dashboards:
    image: opensearchproject/opensearch-dashboards:2.12.0 # Make sure the version of opensearch-dashboards matches the version of opensearch installed on other nodes
    container_name: opensearch-dashboards
    deploy:
      resources:
        limits:
          memory: 2048M
    logging:
      driver: "json-file"
      options:
        max-size: "250m"
    ports:
      - 127.0.0.1:5601:5601 # Map host port 5601 to container port 5601
      - 172.17.0.1:5601:5601 # Map host port 5601 to container port 5601
    expose:
      - "5601" # Expose port 5601 for web access to OpenSearch Dashboards
    environment:
      OPENSEARCH_HOSTS: '["https://opensearch-node1:9200","https://opensearch-node2:9200"]' # Define the OpenSearch nodes that OpenSearch Dashboards will query
    env_file:
      - .env
    networks:
      - opensearch-net
volumes:
  opensearch-data1:
  opensearch-data2:
networks:
  opensearch-net: