:: 下载、安装、运行 hello-world 镜像(image)
docker run hello-world
:: :: 如果这是第一次运行,你应该能见到这些信息:: Unable to find image 'hello-world:latest' locally # 在本地找不到镜像xxx:: latest: Pulling from library/hello-world:: 1b930d010525: Pull complete:: Digest: sha256:4fe721ccc2e8dc7362278a29dc660d833570ec2682f4e4194f4ee23e415e1064:: Status: Downloaded newer image for hello-world:latest:::: Hello from Docker! # 来自Docker的欢迎:: This message shows that your installation appears to be working correctly. # 此信息表明你的安装似乎成功了:::: To generate this message, Docker took the following steps: # Docker进行了如下步骤来产生此信息:: 1. The Docker client contacted the Docker daemon. # Docker客户端联系Docker守护程序:: 2. The Docker daemon pulled the "hello-world" image from the Docker Hub. # Docker守护程序从Docker Hub拉取镜像:: (amd64):: 3. The Docker daemon created a new container from that image which runs the # Docker守护程序从镜像中创建了一个容器:: executable that produces the output you are currently reading. # 运行了产生你正在读的输出的可执行文件:: 4. The Docker daemon streamed that output to the Docker client, which sent it # Docker守护程序把输出流式传输给Docker客户端,后者发送到你的终端上:: to your terminal.:::: To try something more ambitious, you can run an Ubuntu container with: # 若要尝试更强大的东西,你可以用该命令运行Ubuntu容器:: $ docker run -it ubuntu bash:::: Share images, automate workflows, and more with a free Docker ID: # 使用免费的Docker ID来分享镜像,自动化工作流等:: https://hub.docker.com/:::: For more examples and ideas, visit: # 欲获取更多例子和想法,访问:: https://docs.docker.com/get-started/:: 现在来看看当前正运行的镜像
docker ps
:: CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS:: NAMES:: 看看之前运行过的镜像
docker ps -a
:: CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS:: NAMES:: 4a76281f9c53 hello-world "/hello" 2 minutes ago Exited (0) 2 minutes ago:: happy_poincare:: 名字(name)是自动生成的,因此它会和你的不同:: 移除(remove)我们之前生成的镜像
docker rm happy_poincare
:: 测试是否真的删除了
docker ps -a
:: CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS:: NAMES:: 为容器(container)指定自定义名字
docker run --name test_container hello-world
:: Hello from Docker!:: This message shows that your installation appears to be working correctly.:::: To generate this message, Docker took the following steps::: 1. The Docker client contacted the Docker daemon.:: 2. The Docker daemon pulled the "hello-world" image from the Docker Hub.:: (amd64):: 3. The Docker daemon created a new container from that image which runs the:: executable that produces the output you are currently reading.:: 4. The Docker daemon streamed that output to the Docker client, which sent it:: to your terminal.:::: To try something more ambitious, you can run an Ubuntu container with::: $ docker run -it ubuntu bash:::: Share images, automate workflows, and more with a free Docker ID::: https://hub.docker.com/:::: For more examples and ideas, visit::: https://docs.docker.com/get-started/
docker ps -a
:: CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS:: NAMES:: d345fe1a4f41 hello-world "/hello" About a minute ago Exited (0) About a minute ago:: test_container:: 如你所见,名字现在是我们指定的了:: 从命名过的容器中获取日志(logs)
docker logs test_container
:: Hello from Docker!:: This message shows that your installation appears to be working correctly.:::: To generate this message, Docker took the following steps::: 1. The Docker client contacted the Docker daemon.:: 2. The Docker daemon pulled the "hello-world" image from the Docker Hub.:: (amd64):: 3. The Docker daemon created a new container from that image which runs the:: executable that produces the output you are currently reading.:: 4. The Docker daemon streamed that output to the Docker client, which sent it:: to your terminal.:::: To try something more ambitious, you can run an Ubuntu container with::: $ docker run -it ubuntu bash:::: Share images, automate workflows, and more with a free Docker ID::: https://hub.docker.com/:::: For more examples and ideas, visit::: https://docs.docker.com/get-started/
docker rm test_container
docker run ubuntu
:: Unable to find image 'ubuntu:latest' locally:: latest: Pulling from library/ubuntu:: 2746a4a261c9: Pull complete:: 4c1d20cdee96: Pull complete 0d3160e1d0de: Pull complete c8e37668deea: Pull complete Digest: sha256:250cc6f3f3ffc5cdaa9d8f4946ac79821aafb4d3afc93928f0de9336eba21aa4:: Status: Downloaded newer image for ubuntu:latest
docker ps -a
:: CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS:: NAMES:: c19e9e5b000a ubuntu "/bin/bash" 5 seconds ago Exited (0) 4 seconds ago:: relaxed_nobel:: 在交互模式(interactive mode)下运行容器
docker run -it ubuntu
:: root@e2cac48323d2:/# uname:: Linux:: root@e2cac48323d2:/# exit:: exit
docker rm relaxed_nobel
docker ps -a
:: CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS:: NAMES:: e2cac48323d2 ubuntu "/bin/bash" 2 minutes ago Exited (0) About a minute ago:: nifty_goldwasser
docker rm nifty_goldwasser