# 20190327

查詢docker資訊

```
# docker inspect [id]
```

![](/files/-Laxj60lFUkddCcl5aCE)

執行docker httpd

```
# docker run -d -p 8080:80 httpd
```

![](/files/-LaxjmbbQZn9h95VWUKp)

成功的網頁會像這樣

![](/files/-LaxkDllbA7Fb2w7lMF0)

接下來創建一個資料夾叫mydata

![](/files/-Laxkvgt7nT8kM7D_K92)

執行

```
# docker run -it --rm -v /mydata:/data centos /bin/bash
```

![](/files/-LaxlMUlpYoCWShI0FcT)

成功後root會變成這樣

![](/files/-LaxlcNoNJ6OgDwZfyG5)

切換到data資料夾底下

![](/files/-Laxloe9iSkC5PB95NyQ)

在資料夾底下創建任意文檔

```
# echo "hi" > a.txt
```

![](/files/-LaxmK3mcv7MslicWuI7)

開啟新的終端機切換到mydata資料夾下

確認資料夾下有沒有"a.txt"檔

![](/files/-LaxnmgjfwOGxOBwd3j3)

你也可以在mydata資料夾下創建文件

確認data資料夾是否跟mydata同步

![](/files/-Laxo7k5GynriImKm-rX)

![](/files/-LaxoPrgtoZPzRCrOKEy)


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