armbian-next: json-info: cleanup info/json/csv/opensearch, add logging, add some very basic instructions; add Kibana dashboards & docker-compose to bring it OS+Kibana up

tools/dashboards/docker-compose-opensearch.yaml

@@ -0,0 +1,43 @@
+version: '3'
+services:
+  opensearch-node1:
+    image: ghcr.io/rpardini/opensearch-minimal-multiarch:1.3
+    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=-Xms2048m -Xmx2048m" # 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
+      - 9300:9300
+    networks:
+      - opensearch-net
+  opensearch-dashboards:
+    image: ghcr.io/rpardini/opensearch-dashboards-minimal-multiarch:1.3
+    container_name: opensearch-dashboards
+    ports:
+      - 5601:5601
+    expose:
+      - "5601"
+    environment:
+      OPENSEARCH_HOSTS: '["http://opensearch-node1:9200"]'
+    networks:
+      - opensearch-net
+
+volumes:
+  opensearch-data1:
+
+networks:
+  opensearch-net: