elasticssearch.yml

index.analysis.analyzer.default.type: custom
index.analysis.analyzer.default.tokenizer: ja_tokenizer
index.analysis.analyzer.default.filter.0: pos_filter
index:
  analysis:
    filter:
      pos_filter:
        type: kuromoji_part_of_speech
        stoptags: ["接続詞", "助動詞", "助詞", "助詞-格助詞", "助詞-格助詞-一般", "助詞-格助詞-引用", "助詞-格助詞-連語", "助詞-接続助詞", "助詞->係助詞", "助詞-副助詞", "助詞-間投助詞", "助詞-並立助詞", "助詞-終助詞", "助詞-副助詞／並立助詞／終助詞", "助詞-連体化", "助詞-副詞化", "助詞-特殊"]
    tokenizer:
      ja_tokenizer:
        type: kuromoji_tokenizer
        mode: search
        user_dictionary: userdict_ja.txt
    analyzer:
      ja:
        type: custom
        tokenizer: ja_tokenizer
        filter:
          - pos_filter