mapping

DELETE myindex
PUT myindex
{
    "settings": {
        "analysis": {
            "analyzer": {
                "lowercase": {
                    "tokenizer": "keyword",
                    "filter": ["lowercase"]
                },
                "default" : {
                    "tokenizer" : "standard",
                    "filter" : ["lowercase","standard", "asciifolding"]
                }
            }
        }
    },
    "mappings": {
        "product": {
            "properties" : {
                "name":
                {
                    "type": "string",
                    "fields": {
                        "raw":   { "type": "string", "analyzer": "lowercase" }
                    },
                    "analyzer": "default"
                        
                },
                "options" : {
                    "type": "nested",
                    "properties": {
                        "values" : {
                          "type" : "string", 
                          "index_name" : "value"
                          
                        }
                    }
                },
                "price":{"type": "integer"},
                "createdAt": {
                    "type": "date",
                    "format": "basic_date_time"
                }
            }
        }
    }
}