Elastic search configuration with a custom analyzer.

elasticsearch-index-config.js

{
        settings: {
            number_of_shards: 5,
            number_of_replicas: 1,
            "index" : {
                "analysis" : {
                    "analyzer" : {
                        "html" : {
                            filter: [ 'standard', 'lowercase', 'stop', 'asciifolding' ],
                            "tokenizer" : "standard",
                            "char_filter" : ["html_strip"]
                        }
                    }
                }
            }
        },
        mappings: {
            type1: {
                properties: {
                    body: {
                        type: 'string', //needed to add this.
                        analyzer: 'html'
                    }
                }
            }
        }
    }