#### 下载一个$JDK 1.8$的镜像

```shell
docker pull openjdk:8
```

![](https://dsideal.obs.cn-north-1.myhuaweicloud.com/HuangHai/BlogImages/202408061445978.png)

![![](https://dsideal.obs.cn-north-1.myhuaweicloud.com/HuangHai/BlogImages/202408061445978.png)](https://dsideal.obs.cn-north-1.myhuaweicloud.com/HuangHai/BlogImages/202408061445874.png)



####  是否已下载成功

```
docker images|grep jdk
```

#### 启动容器

```
docker run -itd --name openjdk1.8 openjdk:8 /bin/bash
```

#### 删除容器

```
docker rm -f <container_id_or_name>
```

#### 查看容器

```
 docker ps -a
```

#### 进入容器

```
docker exec -it openjdk1.8 /bin/bash
```



```
root@4bf2bd13f5b0:/usr/local/openjdk-8/bin# pwd
/usr/local/openjdk-8/bin
```



#### 将文件复制到容器外

```
docker cp openjdk1.8:/usr/local/1.txt ./
```

#### 将文件复制回容器

```
docker cp ./1.txt openjdk1.8:/usr/local/
```