template.json

{

  "template": "apache_elastic_example",
  "settings": {
     "index.refresh_interval": "5s"
  },
  "mappings": {
     "_default_": {
        "dynamic_templates": [
           {
              "message_field": {
                 "mapping": {
                    "norms": false,
                    "type": "text"
                 },
                 "match_mapping_type": "string",
                 "match": "message"
              }
           },
           {
              "string_fields": {
                 "mapping": {
                    "norms": false,
                    "type": "text",
                    "fields": {
                       "keyword": {
                          "ignore_above": 256,
                          "type": "keyword"
                       }
                    }
                 },
                 "match_mapping_type": "string",
                 "match": "*"
              }
           }
        ],
        "properties": {
           "geoip": {
              "dynamic": true,
              "properties": {
                 "location": {
                    "type": "geo_point"
                 },
                 "ip": {
                   "type": "ip"
                 },
                 "continent_code": {
                  "type": "keyword"
                 },
                 "country_name": {
                   "type": "keyword"
                 }
              },
              "type": "object"
           },
           "@version": {
              "type": "keyword"
           }
        }
     }
  }
}