启动docker的container(或者说image的实例)

    技术2023-06-05  77

    1 首先查看有哪些image以及有哪些container

     

    sudo docker image ls

     

    sudo docker ps -a

    2 启动container

    2.1  如果你之前没有创建container,则需要基于image新创建一个container

    docker run --name=container-mysql8 -p 3307:3306 -td image-mysql8 # 也就是从上面的currycode/tf_serving_vc镜像中启动一个container # i表示获得一个交互式的连接,通过 standard in (STDIN)获取container的输入,也就是让容器的标准输入保持打开。d表示后台运行A # t表示让Docker分配一个伪终端(pseudo-tty)并绑定到容器的标准输入上 # 如果想指定端口和ip映射关系,可以使用-p参数(选项指定Host:Container之间的端口映射关系),默认映射到'172.17.0.2:9000' # docker run: runs a container. # tf_container_vc2: is the image you would like to run. # -t: flag assigns a pseudo-tty or terminal inside the new container. # -i: flag allows you to make an interactive connection by grabbing the standard in (STDIN) of the container. # /bin/bash: launches a Bash shell inside our container.

    2.2 如果你之前已经创建过container(比如上面docker ps 命令中显示有三个container),则可以直接启动container,不需要从image创建一个新的container了

    docker start -i tf_container_vc # -i表示Attach container’s STDIN # 成功后如下面第二行所显示会直接进入container的终端 [currycode@mjrc-server11 ~]$ sudo docker start -i tf_container_vc root@2effa7569ce3:/tensorflow-serving# 如果使用docker start tf_container_vc 则是在后台运行container [currycode@mjrc-server11 ~]$ sudo docker start tf_container_vc tf_container_vc [currycode@mjrc-server11 ~]$ sudo docker stop tf_container_vc tf_container_vc

     

    2.2.1 docker exec

    [currycode@mjrc-server11 ~]$ sudo docker exec -it tf_container_vc /bin/bash root@2effa7569ce3:/tensorflow-serving# # tf_container_vc :要启动的container的名称 # /bin/bash:在container中启动一个bash shell

    这样输入“exit”或者按键“Ctrl + C”退出container时,这个container仍然在后台运行:

    root@2effa7569ce3:/tensorflow-serving# exit exit [currycode@mjrc-server11 ~]$ sudo docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 2effa7569ce3 currycode/tf_serving_vc:1.0 "/bin/bash" 2 months ago Up 4 minutes tf_container_vc a01e03520497 tensorflow/serving "/usr/bin/tf_serving…" 2 months ago Exited (137) 2 months ago determined_morse ea05fb751b1a hello-world "/hello" 2 months ago Exited (0) 2 months ago dazzling_kirch

     

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