diff --git a/opensearch-coord1/config.json b/opensearch-coord1/config.json
index 0b8f91e..9835243 100644
--- a/opensearch-coord1/config.json
+++ b/opensearch-coord1/config.json
@@ -37,30 +37,41 @@
     "network_host": "0.0.0.0",
     "path_data": "/var/lib/opensearch",
     "path_logs": "/var/log/opensearch",
-    "security_enabled": false
+    "security_enabled": true,
+    "admin_password": "MyOpenSearch25!!"
   },
   "schema": {
     "cluster_name": "str",
     "node_name": "str",
-    "node_roles": "list(str)",
+    "node_roles": [
+      "str"
+    ],
     "discovery_type": "str",
-    "discovery_seed_hosts": "list(str)",
-    "initial_master_nodes": "list(str)",
+    "discovery_seed_hosts": [
+      "str"
+    ],
+    "initial_master_nodes": [
+      "str"
+    ],
     "opensearch_heap": "str",
-    "plugins": "list(str)",
+    "plugins": [
+      "str"
+    ],
     "bootstrap_memory_lock": "bool",
     "http_port": "int",
     "transport_port": "int",
     "network_host": "str",
     "path_data": "str",
     "path_logs": "str",
-    "security_enabled": "bool"
+    "security_enabled": "bool",
+    "admin_password": "password?"
   },
   "ports": {
     "9203/tcp": 9203,
     "9303/tcp": 9303
   },
   "environment": {
-    "OPENSEARCH_JAVA_OPTS": "-Xms${options[opensearch_heap]} -Xmx${options[opensearch_heap]}"
+    "OPENSEARCH_JAVA_OPTS": "-Xms${options[opensearch_heap]} -Xmx${options[opensearch_heap]}",
+    "OPENSEARCH_INITIAL_ADMIN_PASSWORD": "${options[admin_password]}"
   }
 }
\ No newline at end of file
diff --git a/opensearch-coord2/config.json b/opensearch-coord2/config.json
index 3783eb6..06a51e0 100644
--- a/opensearch-coord2/config.json
+++ b/opensearch-coord2/config.json
@@ -37,30 +37,41 @@
     "network_host": "0.0.0.0",
     "path_data": "/var/lib/opensearch",
     "path_logs": "/var/log/opensearch",
-    "security_enabled": false
+    "security_enabled": true,
+    "admin_password": "MyOpenSearch25!!"
   },
   "schema": {
     "cluster_name": "str",
     "node_name": "str",
-    "node_roles": "list(str)",
+    "node_roles": [
+      "str"
+    ],
     "discovery_type": "str",
-    "discovery_seed_hosts": "list(str)",
-    "initial_master_nodes": "list(str)",
+    "discovery_seed_hosts": [
+      "str"
+    ],
+    "initial_master_nodes": [
+      "str"
+    ],
     "opensearch_heap": "str",
-    "plugins": "list(str)",
+    "plugins": [
+      "str"
+    ],
     "bootstrap_memory_lock": "bool",
     "http_port": "int",
     "transport_port": "int",
     "network_host": "str",
     "path_data": "str",
     "path_logs": "str",
-    "security_enabled": "bool"
+    "security_enabled": "bool",
+    "admin_password": "password?"
   },
   "ports": {
     "9204/tcp": 9204,
     "9304/tcp": 9304
   },
   "environment": {
-    "OPENSEARCH_JAVA_OPTS": "-Xms${options[opensearch_heap]} -Xmx${options[opensearch_heap]}"
+    "OPENSEARCH_JAVA_OPTS": "-Xms${options[opensearch_heap]} -Xmx${options[opensearch_heap]}",
+    "OPENSEARCH_INITIAL_ADMIN_PASSWORD": "${options[admin_password]}"
   }
 }
\ No newline at end of file
diff --git a/opensearch-dashboards/config.json b/opensearch-dashboards/config.json
index f2950d3..05bfc3d 100644
--- a/opensearch-dashboards/config.json
+++ b/opensearch-dashboards/config.json
@@ -30,7 +30,7 @@
     "opensearch_username": "str",
     "opensearch_password": "str",
     "kibana_index": "str",
-    "plugins": "list(str)"
+    "plugins": [ "str" ]
   },
   "ports": {
     "5601/tcp": 5601
diff --git a/opensearch-data1/config.json b/opensearch-data1/config.json
index ce95fe4..0d35dcd 100644
--- a/opensearch-data1/config.json
+++ b/opensearch-data1/config.json
@@ -38,30 +38,41 @@
     "network_host": "0.0.0.0",
     "path_data": "/var/lib/opensearch",
     "path_logs": "/var/log/opensearch",
-    "security_enabled": false
+    "security_enabled": true,
+    "admin_password": "MyOpenSearch25!!"
   },
   "schema": {
     "cluster_name": "str",
     "node_name": "str",
-    "node_roles": "list(str)",
+    "node_roles": [
+      "str"
+    ],
     "discovery_type": "str",
-    "discovery_seed_hosts": "list(str)",
-    "initial_master_nodes": "list(str)",
+    "discovery_seed_hosts": [
+      "str"
+    ],
+    "initial_master_nodes": [
+      "str"
+    ],
     "opensearch_heap": "str",
-    "plugins": "list(str)",
+    "plugins": [
+      "str"
+    ],
     "bootstrap_memory_lock": "bool",
     "http_port": "int",
     "transport_port": "int",
     "network_host": "str",
     "path_data": "str",
     "path_logs": "str",
-    "security_enabled": "bool"
+    "security_enabled": "bool",
+    "admin_password": "password?"
   },
   "ports": {
     "9201/tcp": 9201,
     "9301/tcp": 9301
   },
   "environment": {
-    "OPENSEARCH_JAVA_OPTS": "-Xms${options[opensearch_heap]} -Xmx${options[opensearch_heap]}"
+    "OPENSEARCH_JAVA_OPTS": "-Xms${options[opensearch_heap]} -Xmx${options[opensearch_heap]}",
+    "OPENSEARCH_INITIAL_ADMIN_PASSWORD": "${options[admin_password]}"
   }
 }
\ No newline at end of file
diff --git a/opensearch-data2/config.json b/opensearch-data2/config.json
index fca5e96..243cc05 100644
--- a/opensearch-data2/config.json
+++ b/opensearch-data2/config.json
@@ -38,30 +38,41 @@
     "network_host": "0.0.0.0",
     "path_data": "/var/lib/opensearch",
     "path_logs": "/var/log/opensearch",
-    "security_enabled": false
+    "security_enabled": true,
+    "admin_password": "MyOpenSearch25!!"
   },
   "schema": {
     "cluster_name": "str",
     "node_name": "str",
-    "node_roles": "list(str)",
+    "node_roles": [
+      "str"
+    ],
     "discovery_type": "str",
-    "discovery_seed_hosts": "list(str)",
-    "initial_master_nodes": "list(str)",
+    "discovery_seed_hosts": [
+      "str"
+    ],
+    "initial_master_nodes": [
+      "str"
+    ],
     "opensearch_heap": "str",
-    "plugins": "list(str)",
+    "plugins": [
+      "str"
+    ],
     "bootstrap_memory_lock": "bool",
     "http_port": "int",
     "transport_port": "int",
     "network_host": "str",
     "path_data": "str",
     "path_logs": "str",
-    "security_enabled": "bool"
+    "security_enabled": "bool",
+    "admin_password": "password?"
   },
   "ports": {
     "9202/tcp": 9202,
     "9302/tcp": 9302
   },
   "environment": {
-    "OPENSEARCH_JAVA_OPTS": "-Xms${options[opensearch_heap]} -Xmx${options[opensearch_heap]}"
+    "OPENSEARCH_JAVA_OPTS": "-Xms${options[opensearch_heap]} -Xmx${options[opensearch_heap]}",
+    "OPENSEARCH_INITIAL_ADMIN_PASSWORD": "${options[admin_password]}"
   }
 }
\ No newline at end of file
diff --git a/opensearch-master/config.json b/opensearch-master/config.json
index d5e2684..4cf9d55 100644
--- a/opensearch-master/config.json
+++ b/opensearch-master/config.json
@@ -37,30 +37,41 @@
     "network_host": "0.0.0.0",
     "path_data": "/var/lib/opensearch",
     "path_logs": "/var/log/opensearch",
-    "security_enabled": false
+    "security_enabled": true,
+    "admin_password": "MyOpenSearch25!!"
   },
   "schema": {
     "cluster_name": "str",
     "node_name": "str",
-    "node_roles": "list(str)",
+    "node_roles": [
+      "str"
+    ],
     "discovery_type": "str",
-    "discovery_seed_hosts": "list(str)",
-    "initial_master_nodes": "list(str)",
+    "discovery_seed_hosts": [
+      "str"
+    ],
+    "initial_master_nodes": [
+      "str"
+    ],
     "opensearch_heap": "str",
-    "plugins": "list(str)",
+    "plugins": [
+      "str"
+    ],
     "bootstrap_memory_lock": "bool",
     "http_port": "int",
     "transport_port": "int",
     "network_host": "str",
     "path_data": "str",
     "path_logs": "str",
-    "security_enabled": "bool"
+    "security_enabled": "bool",
+    "admin_password": "password?"
   },
   "ports": {
     "9200/tcp": 9200,
     "9300/tcp": 9300
   },
   "environment": {
-    "OPENSEARCH_JAVA_OPTS": "-Xms${options[opensearch_heap]} -Xmx${options[opensearch_heap]}"
+    "OPENSEARCH_JAVA_OPTS": "-Xms${options[opensearch_heap]} -Xmx${options[opensearch_heap]}",
+    "OPENSEARCH_INITIAL_ADMIN_PASSWORD": "${options[admin_password]}"
   }
 }
\ No newline at end of file
diff --git a/opensearch-nginx-lb/config.json b/opensearch-nginx-lb/config.json
index 0f86ab4..03a8486 100644
--- a/opensearch-nginx-lb/config.json
+++ b/opensearch-nginx-lb/config.json
@@ -23,7 +23,7 @@
   },
   "schema": {
     "lb_port": "int",
-    "coordinator_nodes": "list(str)"
+    "coordinator_nodes": [ "str" ]
   },
   "ports": {
     "9200/tcp": 9200