Install the Chinese analyzer plugin

docker exec -it elasticsearch bash
$ elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v8.4.1/elasticsearch-analysis-ik-8.4.1.zip
  • Dev Tools
    • The content field is text. Use ik_max_word for indexing and ik_smart for searching. The former generates as many tokens as possible, while the latter generates coarser-grained tokens.
PUT /words
{
  "mappings": {
    "properties": {
      "content": {
        "type": "text",
        "analyzer": "ik_max_word",
        "search_analyzer": "ik_smart"
      },
      "age": {
        "type": "integer",
        "index": false
     }
    }
  }
}

{
	"acknowledged": true,
	"shards_acknowledged": true,
	"index": "words"
}