Install-ik-plugin-with-docker-image

2017-05-26

# Use elasticsearch docker image

Here is the official docker image of elasticsearch :

https://www.elastic.co/guide/en/elasticsearch/reference/current/docker.html

You can follow this article to setup elasticsearch in your environment easily.

# Install ik plugin

Here is an example to build your own image based on the official image:

```
FROM docker.elastic.co/elasticsearch/elasticsearch:5.3.0

RUN mkdir plugins/ik
RUN wget -P plugins/ik https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v5.3.0/elasticsearch-analysis-ik-5.3.0.zip
RUN unzip -d plugins/ik/ plugins/ik/elasticsearch-analysis-ik-5.3.0.zip

EXPOSE 9200 9300
```

The image will build with ik which's version is 5.3.0. You can get which version you should install from here : https://github.com/medcl/elasticsearch-analysis-ik.

Elasticsearch will auto install plugins in the plugins folder, so what you need to do is download plugins to the folder.

# Config the default analyzer for index

1. Create index.

```
PUT /blog
```

2. Stop index created above.

You can't change the default analyzer to an opened index, so you must close it first.
```
POST /blog/_close
```

3. Set analyzer

```
PUT /blog/_settings
{
	"index":{
		"analysis" : {
            "analyzer" : {
                "default" : {
                    "type" : "ik_smart"
                }
            }
        }
    }
}
```

4. Open index

```
POST /blog/_open
```

Now you can check whether the default analyzer was changed successfully:

```
GET /blog/_settings
```

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