remove one node from opensearch

deployment/docker-composes/opensearch.yml

@@ -6,10 +6,10 @@ services:
     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 eligible to serve as cluster manager
+      - discovery.seed_hosts=opensearch-node1 # Nodes to look for when discovering the cluster
+      - cluster.initial_cluster_manager_nodes=opensearch-node1 # Nodes eligible to serve as cluster manager
       - bootstrap.memory_lock=true # Disable JVM heap memory swapping
-      - "OPENSEARCH_JAVA_OPTS=-Xms256m -Xmx256m" # Set min and max JVM heap sizes to at least 50% of system RAM
+      - "OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m" # Set min and max JVM heap sizes to at least 50% of system RAM
       - OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_INITIAL_ADMIN_PASSWORD}    # Sets the demo admin user password when using demo configuration, required for OpenSearch 2.12 and later
     ulimits:
       memlock:
@@ -25,28 +25,6 @@ services:
       - 9600:9600 # Performance Analyzer
     networks:
       - opensearch-net # All of the containers will join the same Docker bridge network
-  opensearch-node2:
-    image: opensearchproject/opensearch:latest # This should be the same image used for opensearch-node1 to avoid issues
-    container_name: opensearch-node2
-    environment:
-      - cluster.name=opensearch-cluster
-      - node.name=opensearch-node2
-      - discovery.seed_hosts=opensearch-node1,opensearch-node2
-      - cluster.initial_cluster_manager_nodes=opensearch-node1,opensearch-node2
-      - bootstrap.memory_lock=true
-      - "OPENSEARCH_JAVA_OPTS=-Xms256m -Xmx256m"
-      - OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_INITIAL_ADMIN_PASSWORD}
-    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:latest # Make sure the version of opensearch-dashboards matches the version of opensearch installed on other nodes
     container_name: opensearch-dashboards
@@ -55,7 +33,7 @@ services:
     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
+      OPENSEARCH_HOSTS: '["https://opensearch-node1:9200"]' # Define the OpenSearch nodes that OpenSearch Dashboards will query
     networks:
       - opensearch-net