version: '3' services: opensearch-node1: # This is also the hostname of the container within the Docker network (i.e. https://opensearch-node1/) image: opensearchproject/opensearch:2.6.0 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 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:2.6.0 # This should be the same image used for opensearch-node1 to avoid issues container_name: opensearch-node2 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" ulimits: memlock: soft: -1 hard: -1 nofile: soft: 65536 hard: 65536 volumes: - opensearch-data2:/usr/share/opensearch/data networks: - opensearch-net opensearch-dashboards: image: opensearchproject/opensearch-dashboards:2.6.0 # Make sure the version of opensearch-dashboards matches the version of opensearch installed on other nodes 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: '["https://opensearch-node1:9200","https://opensearch-node2:9200"]' # Define the OpenSearch nodes that OpenSearch Dashboards will query networks: - opensearch-net volumes: opensearch-data1: opensearch-data2: networks: opensearch-net: