docker2-容器的使用

1.显示所有的容器，包括未运行的

docker ps -a

2.启动一个已停止的容器

docker start 容器id或name（可通过1中的命令查看）  docke restart 容器id或name 用于重启容器

3.停止一个容器

docker stop 容器id

4.强制删除一个运行中的容器

docker rm -f 容器id

5.查看容器内部的标准输出

docker logs [ID或者名字]

6.批量删除未使用的容器

docker container prune

[root@ipha-dev71- chenjl]# docker pull training/webapp
[root@ipha-dev71- chenjl]# docker run -d -P training/webapp python app.py
[root@ipha-dev71- chenjl]# docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                     NAMES
f48e38ee81a9        training/webapp     "python app.py"      seconds ago      Up  seconds       0.0.0.0:->/tcp   sweet_brown
[root@ipha-dev71- chenjl]# docker run -d -p : training/webapp python app.py   # 如果是-itd的话是指在后台运行，不会进入容器（-i 交互式操作 -t 终端），

69fbb799c3d5bf4526cbcca9505519ec18c0bdb010301c533c779e47f351e96a [root@ipha-dev71- chenjl]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 69fbb799c3d5 training/webapp "python app.py"  seconds ago Up  seconds 0.0.0.0:->/tcp magical_khorana f48e38ee81a9 training/webapp "python app.py"  minutes ago Up  minutes 0.0.0.0:->/tcp sweet_brown [root@ipha-dev71- chenjl]# docker logs -f 69fbb799c3d5 * Running on http://0.0.0.0:5000/ (Press CTRL+C to quit) ^C [root@ipha-dev71- chenjl]# docker top magical_khorana UID PID PPID C STIME TTY TIME CMD root    : ? :: python app.py [root@ipha-dev71- chenjl]# docker inspect magical_khorana [ { "Id": "69fbb799c3d5bf4526cbcca9505519ec18c0bdb010301c533c779e47f351e96a", "Created": "2019-09-16T14:53:21.107783511Z", "Path": "python", "Args": [ "app.py" ], "State": { "Status": "running", "Running": true, "Paused": false, "Restarting": false, "OOMKilled": false, ... [root@ipha-dev71- chenjl]# docker stop magical_khorana magical_khorana [root@ipha-dev71- chenjl]# docker ps -l CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 69fbb799c3d5 training/webapp "python app.py"  minutes ago Exited ()  seconds ago magical_khorana [root@ipha-dev71- chenjl]# docker rm magical_khorana magical_khorana

进入与退出docker容器

[root@ipha-dev71- ]# docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                     NAMES
f48e38ee81a9        training/webapp     "python app.py"      days ago          Up  days           0.0.0.0:->/tcp   sweet_brown
[root@ipha-dev71- ]# docker exec -it f48e38ee81a9 /bin/bash     # 进入docker容器
root@f48e38ee81a9:/opt/webapp# ll
total
drwxr-xr-x  root root   May    ./
drwxr-xr-x  root root   May    ../
-rw-r--r--  root root   May    .gitignore
-rw-r--r--  root root   May    Procfile
-rw-r--r--  root root  May    app.py
-rw-r--r--  root root   May    requirements.txt
-rw-r--r--  root root  May    tests.py
root@f48e38ee81a9:/opt/webapp# pwd
/opt/webapp
root@f48e38ee81a9:/opt/webapp# exit    # 退出docker容器
exit