# Docker Image 指令 ### 主講人:黃夙賢 --- ## Docker指令 ![](https://i.imgur.com/pWazmsf.png) --- ## Docker指令概覽 - <font color=red>docker image</font> - docker container - docker volume - docker network --- ## Docker Image - docker images (或者docker image ls,顯示目前本機中有多少映像檔) - docker pull busybox (將雲端主機上的busybox映像檔下載回本機) - docker search --filter=stars=20 mysql (找出20星等以上的mysql映象檔) - docker tag busybox bzbox (設定映像檔標籤) - docker image rm bzbox (移除bzbox映像檔) --- ## Docker Images - docker images (或者docker image ls,顯示目前本機中有多少映像檔) ``` docker images ``` ![](https://i.imgur.com/e6SQGPW.png) --- ## Docker Pull - docker pull \<image\>(將雲端主機上的映像檔下載回本機) ``` docker pull busybox docker images ``` ![](https://i.imgur.com/UHqigGZ.png) --- ## Docker Image History - 列出一個映像檔的創建歷史,從新到舊,沒有Dockerfile時很好用 ``` docker image history busybox ``` ![](https://i.imgur.com/jWRkgYc.png =800x) --- ## Docker Image Save - docker image save -o \<tar file\> \<image\> - 將映像檔存入本機的tar檔案,不想用公開映像檔又沒自己的registry時很好用,可以用來轉移,備份等,通常配合load使用 ``` docker image save -o busybox.tar busybox:latest ``` ![](https://i.imgur.com/Q6Hz7yp.png =800x) --- ## Docker Image Import - docker image import \<tar file\> \<image\> - 將tar載入至本機映像檔中,配合save使用,如果沒有tag就會變成無名的映像檔 ``` docker image prune (刪除所有未用的image,確定接下來的操作可以正確) docker images docker image import busybox.tar docker images ``` ![](https://i.imgur.com/jn4CiWW.png =600x) --- ## Docker Search - docker search \<keyword\> - 在docker hub上搜尋映像檔 ``` docker search --filter=stars=20 mysql (找出20星等以上的mysql映象檔) ``` ![](https://i.imgur.com/NARj3hz.png =800x) --- ## Docker Image Rm - docker image rm \<image\> - 移除映像檔 ``` docker pull busybox docker images docker image rm busybox docker images docker image rm 2d (也可利用image ID來刪除,範例的image ID開頭是2d) docker images ``` --- ![](https://i.imgur.com/ZDpQb3b.png =800x) --- ## Docker Tag - docker tag \<image\> - 設定映像檔標籤 ``` docker images docker pull busybox docker images docker tag busybox bzbox docker images ``` ![](https://i.imgur.com/WRRUgaj.png =700x) --- ## Docker Image Inspect - docker image inspect \<image\> - 檢視映像檔的json格式詳情 ``` docker image inspect busybox ``` ![](https://i.imgur.com/1GNsAYL.png =800x) --- ## Docker Push - docker push \<username/image\> - 將映像檔上傳至docker hub,上傳後只能從網頁上刪除 - 請先至docker hub註冊帳號 ``` docker login (先登入自己的帳號,老師的帳號是suhsien) docker images docker image pull busybox docker images docker image tag busybox xxxxx/busybox (xxxxx請輸入自己的帳號名稱) docker images docker image push xxxxx/busybox (xxxxx請輸入自己的帳號名稱) ``` --- ![](https://i.imgur.com/Rqop2v6.png =800x) --- - 在docker hub登入後,檢視自己上傳的image是否成功 ![](https://i.imgur.com/GtwFbuo.png =800x) ---
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