# 雲端通訊整合實務(9/29) ###### tags: `docker` # docker 指令 查看docker版本資訊 ``` docker info ``` 查詢dockerhub內所有的下載包 ``` docker search [名稱] ``` 執行busybox鏡像容器,並查詢網路資訊 ``` docker run -it busybox:latest sh ```  執行容器並且印出"hello world" ``` docker run -it busybox:latest echo "hello world" ```  # 測試1 1. **測試簡單的C語言程式** 下載gcc ``` docker pull gcc ``` 創建存放C語言的資料夾 ``` mkdir -p /data ``` 執行程式 ``` gcc -o hello hello.c ``` > -o:output 2. **測試簡單的python語言程式** 下載python相關套件 ``` docker pull codenvy/python27 docker pull rackspacedot/python37 ``` 執行python ``` python hello.py ``` # 測試2 安裝httpd,並測試網頁伺服器的方法 ``` docker pull httpd ``` 1. ``` docker run -itd --name myweb -p 8080:80 httpd ``` > 8080(虛擬機對應的埠):80(httpd埠號) 2. * httpd埠號可以對應不同的容器,例如: ``` docker run -itd --name myweb2 -v /myweb:/usr/local/apache2/htdocs -p 8081:80 httpd ``` 3. ``` docker run -itd --name myweb3 -p 8082:80 httpd ``` 若想更改網頁伺服器的內容,可以使用: ``` docker cp index.html myweb3:/usr/local/apache2/htdocs ``` > 若出現網頁伺服器開不了,可以嘗試進入容器 ``` docker exec -it myweb2 bash ``` 想要保存對容器的修改,可以使用: ``` docker commit [容器ID] cf337188/myweb3:v1 ``` 4. ``` docker run -itd --name myweb4 -p 8083:80 cf337188/myweb3:v1 ``` # 容易搞混的 docker 用法 ## 1. 如何產生Image? - docker commit - Dockerfile ## 2. 進入容器的用法:  ## Reference 1. [上課影片](https://drive.google.com/drive/folders/1oM_ejAeSIhGbDGAVBDnVRv4DuoXaDwYw?usp=sharing)
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