create.json

PUT stat_customers
{
    "mappings" : {
        "properties" : {
            "credits" : {"type" : "double"},
            "requests": {"type" : "double"},
            "error_codes.4xx": {"type" : "double"},
            "error_codes.5xx": {"type" : "double"},
            "day": {"type" : "date"},
            "customer": {"type" : "keyword"}
        }
    },
    "settings" : {
        "index" : {
            "number_of_shards" : "1",
            "auto_expand_replicas" : "0-all"
        }
    }
}