废话不多说，直接上操作

1、安装

下载的是7.7.0版本

docker pull elasticsearch:7.7.0

2、启动

docker run -d -e ES_JAVA_POTS="-Xms256m -Xmx256m" -e "discovery.type=single-node" -p 9200:9200 -p 9300:9300 --name "服务名称" "容器id"

服务名称和容器id可以通过docker ps -a命令获取

3、访问

上面的启动命令声明端口是9200，所以我们通过http://ip:9200，会返回一串json即可 

{
    "name": "af77ac2a3833",
    "cluster_name": "docker-cluster",
    "cluster_uuid": "j8JWjpe2TBit073XTlqlCw",
    "version": {
        "number": "7.7.0",
        "build_flavor": "default",
        "build_type": "docker",
        "build_hash": "81a1e9eda8e6183f5237786246f6dced26a10eaf",
        "build_date": "2020-05-12T02:01:37.602180Z",
        "build_snapshot": false,
        "lucene_version": "8.5.1",
        "minimum_wire_compatibility_version": "6.8.0",
        "minimum_index_compatibility_version": "6.0.0-beta1"
    },
    "tagline": "You Know, for Search"
}