diff --git a/templates b/templates
index 7da9969..06640b4 100644
--- a/templates
+++ b/templates
@@ -7,3 +7,191 @@ PUT _index_template/stackmonitoring
 
 PUT _index_template/stackmonitoring-index
 {"index_patterns":["stackmonitoring-index"],"template":{"settings":{"index.routing.allocation.include._tier_preference":"data_hot","index.lifecycle.name":"smng"}},"data_stream":{},"composed_of":["smng_fields"]}
+
+# ILM Policy for data lifecycle management
+PUT _ilm/policy/ilm_data_policy
+{
+  "policy": {
+    "phases": {
+      "hot": {
+        "min_age": "0ms",
+        "actions": {
+          "rollover": {
+            "max_age": "1d",
+            "max_size": "50GB",
+            "max_docs": 10000000
+          },
+          "set_priority": {
+            "priority": 100
+          }
+        }
+      },
+      "warm": {
+        "min_age": "1d",
+        "actions": {
+          "set_priority": {
+            "priority": 50
+          },
+          "allocate": {
+            "number_of_replicas": 0
+          }
+        }
+      },
+      "cold": {
+        "min_age": "7d",
+        "actions": {
+          "set_priority": {
+            "priority": 0
+          }
+        }
+      },
+      "delete": {
+        "min_age": "30d",
+        "actions": {
+          "delete": {}
+        }
+      }
+    }
+  }
+}
+
+# Component template for ILM data fields
+PUT _component_template/ilm_data_fields
+{
+  "template": {
+    "mappings": {
+      "dynamic_templates": [
+        {
+          "match_timestamp": {
+            "match": "timestamp",
+            "match_mapping_type": "long",
+            "mapping": {
+              "type": "date"
+            }
+          }
+        },
+        {
+          "match_message": {
+            "match": "message",
+            "match_mapping_type": "string",
+            "mapping": {
+              "type": "match_only_text"
+            }
+          }
+        },
+        {
+          "strings_as_keyword": {
+            "match_mapping_type": "string",
+            "mapping": {
+              "ignore_above": 1024,
+              "type": "keyword"
+            }
+          }
+        }
+      ],
+      "properties": {
+        "@timestamp": {
+          "type": "date"
+        },
+        "log_level": {
+          "type": "keyword"
+        },
+        "service": {
+          "type": "keyword"
+        },
+        "environment": {
+          "type": "keyword"
+        },
+        "host": {
+          "properties": {
+            "name": {
+              "type": "keyword"
+            },
+            "ip": {
+              "type": "ip",
+              "ignore_malformed": true
+            }
+          }
+        },
+        "message": {
+          "type": "text",
+          "fields": {
+            "keyword": {
+              "type": "keyword",
+              "ignore_above": 1024
+            }
+          }
+        },
+        "tags": {
+          "type": "keyword"
+        }
+      }
+    },
+    "settings": {
+      "index.number_of_shards": 1,
+      "index.number_of_replicas": 1,
+      "index.refresh_interval": "5s"
+    }
+  }
+}
+
+# Index template for ILM data
+PUT _index_template/stackmonitoring-ilm
+{
+  "index_patterns": ["stackmonitoring-ilm"],
+  "template": {
+    "settings": {
+      "index.routing.allocation.include._tier_preference": "data_hot",
+      "index.lifecycle.name": "ilm_data_policy",
+      "index.codec": "best_compression"
+    }
+  },
+  "data_stream": {},
+  "composed_of": ["smng_fields"],
+  "priority": 200
+}
+
+# Index template for Elasticsearch API stats
+PUT _index_template/stackmonitoring-elasticsearch-api
+{
+  "index_patterns": ["stackmonitoring-elasticsearch-api"],
+  "template": {
+    "settings": {
+      "index.routing.allocation.include._tier_preference": "data_hot",
+      "index.lifecycle.name": "smng"
+    }
+  },
+  "data_stream": {},
+  "composed_of": ["smng_fields"],
+  "priority": 200
+}
+
+# Index template for Kibana API stats
+PUT _index_template/stackmonitoring-kibana-api
+{
+  "index_patterns": ["stackmonitoring-kibana-api"],
+  "template": {
+    "settings": {
+      "index.routing.allocation.include._tier_preference": "data_hot",
+      "index.lifecycle.name": "smng"
+    }
+  },
+  "data_stream": {},
+  "composed_of": ["smng_fields"],
+  "priority": 200
+}
+
+# Index template for Logstash API stats
+PUT _index_template/stackmonitoring-logstash-api
+{
+  "index_patterns": ["stackmonitoring-logstash-api"],
+  "template": {
+    "settings": {
+      "index.routing.allocation.include._tier_preference": "data_hot",
+      "index.lifecycle.name": "smng"
+    }
+  },
+  "data_stream": {},
+  "composed_of": ["smng_fields"],
+  "priority": 200
+}